200420208

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 240

約数和(自身を含む): 649958400

約数和(自身を除く): 449538192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 19, 24, 31, 34, 36, 38, 48, 51, 57, 62, 68, 72, 76, 93, 102, 114, 124, 136, 139, 144, 152, 153, 171, 186, 204, 228, 248, 272, 278, 279, 304, 306, 323, 342, 372, 408, 417, 456, 496, 527, 556, 558, 589, 612, 646, 684, 744, 816, 834, 912, 969, 1054, 1112, 1116, 1178, 1224, 1251, 1292, 1368, 1488, 1581, 1668, 1767, 1938, 2108, 2224, 2232, 2356, 2363, 2448, 2502, 2584, 2641, 2736, 2907, 3162, 3336, 3534, 3876, 4216, 4309, 4464, 4712, 4726, 4743, 5004, 5168, 5282, 5301, 5814, 6324, 6672, 7068, 7089, 7752, 7923, 8432, 8618, 9424, 9452, 9486, 10008, 10013, 10564, 10602, 11628, 12648, 12927, 14136, 14178, 15504, 15846, 17236, 18904, 18972, 20016, 20026, 21128, 21204, 21267, 23256, 23769, 25296, 25854, 28272, 28356, 30039, 31692, 34472, 37808, 37944, 38781, 40052, 42256, 42408, 42534, 44897, 46512, 47538, 51708, 56712, 60078, 63384, 68944, 73253, 75888, 77562, 80104, 81871, 84816, 85068, 89794, 90117, 95076, 103416, 113424, 120156, 126768, 134691, 146506, 155124, 160208, 163742, 170136, 179588, 180234, 190152, 206832, 219759, 240312, 245613, 269382, 293012, 310248, 327484, 340272, 359176, 360468, 380304, 404073, 439518, 480624, 491226, 538764, 586024, 620496, 654968, 659277, 718352, 720936, 736839, 808146, 879036, 982452, 1077528, 1172048, 1309936, 1318554, 1391807, 1441872, 1473678, 1616292, 1758072, 1964904, 2155056, 2637108, 2783614, 2947356, 3232584, 3516144, 3929808, 4175421, 5274216, 5567228, 5894712, 6465168, 8350842, 10548432, 11134456, 11789424, 12526263, 16701684, 22268912, 25052526, 33403368, 50105052, 66806736, 100210104, 200420208]

約数ペア:

[(1, 200420208), (2, 100210104), (3, 66806736), (4, 50105052), (6, 33403368), (8, 25052526), (9, 22268912), (12, 16701684), (16, 12526263), (17, 11789424), (18, 11134456), (19, 10548432), (24, 8350842), (31, 6465168), (34, 5894712), (36, 5567228), (38, 5274216), (48, 4175421), (51, 3929808), (57, 3516144), (62, 3232584), (68, 2947356), (72, 2783614), (76, 2637108), (93, 2155056), (102, 1964904), (114, 1758072), (124, 1616292), (136, 1473678), (139, 1441872), (144, 1391807), (152, 1318554), (153, 1309936), (171, 1172048), (186, 1077528), (204, 982452), (228, 879036), (248, 808146), (272, 736839), (278, 720936), (279, 718352), (304, 659277), (306, 654968), (323, 620496), (342, 586024), (372, 538764), (408, 491226), (417, 480624), (456, 439518), (496, 404073), (527, 380304), (556, 360468), (558, 359176), (589, 340272), (612, 327484), (646, 310248), (684, 293012), (744, 269382), (816, 245613), (834, 240312), (912, 219759), (969, 206832), (1054, 190152), (1112, 180234), (1116, 179588), (1178, 170136), (1224, 163742), (1251, 160208), (1292, 155124), (1368, 146506), (1488, 134691), (1581, 126768), (1668, 120156), (1767, 113424), (1938, 103416), (2108, 95076), (2224, 90117), (2232, 89794), (2356, 85068), (2363, 84816), (2448, 81871), (2502, 80104), (2584, 77562), (2641, 75888), (2736, 73253), (2907, 68944), (3162, 63384), (3336, 60078), (3534, 56712), (3876, 51708), (4216, 47538), (4309, 46512), (4464, 44897), (4712, 42534), (4726, 42408), (4743, 42256), (5004, 40052), (5168, 38781), (5282, 37944), (5301, 37808), (5814, 34472), (6324, 31692), (6672, 30039), (7068, 28356), (7089, 28272), (7752, 25854), (7923, 25296), (8432, 23769), (8618, 23256), (9424, 21267), (9452, 21204), (9486, 21128), (10008, 20026), (10013, 20016), (10564, 18972), (10602, 18904), (11628, 17236), (12648, 15846), (12927, 15504), (14136, 14178)]