220491530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 128

約数和(自身を含む): 510935040

約数和(自身を除く): 290443510

約数列:

[1, 2, 5, 7, 10, 14, 17, 31, 34, 35, 43, 62, 70, 85, 86, 119, 139, 155, 170, 215, 217, 238, 278, 301, 310, 430, 434, 527, 595, 602, 695, 731, 973, 1054, 1085, 1190, 1333, 1390, 1462, 1505, 1946, 2170, 2363, 2635, 2666, 3010, 3655, 3689, 4309, 4726, 4865, 5117, 5270, 5977, 6665, 7310, 7378, 8618, 9331, 9730, 10234, 11815, 11954, 13330, 16541, 18445, 18662, 21545, 22661, 23630, 25585, 29885, 30163, 33082, 36890, 41839, 43090, 45322, 46655, 51170, 59770, 60326, 73253, 82705, 83678, 93310, 101609, 113305, 146506, 150815, 158627, 165410, 185287, 203218, 209195, 226610, 301630, 317254, 366265, 370574, 418390, 508045, 512771, 711263, 732530, 793135, 926435, 1016090, 1025542, 1297009, 1422526, 1586270, 1852870, 2563855, 2594018, 3149879, 3556315, 5127710, 6299758, 6485045, 7112630, 12970090, 15749395, 22049153, 31498790, 44098306, 110245765, 220491530]

約数ペア:

[(1, 220491530), (2, 110245765), (5, 44098306), (7, 31498790), (10, 22049153), (14, 15749395), (17, 12970090), (31, 7112630), (34, 6485045), (35, 6299758), (43, 5127710), (62, 3556315), (70, 3149879), (85, 2594018), (86, 2563855), (119, 1852870), (139, 1586270), (155, 1422526), (170, 1297009), (215, 1025542), (217, 1016090), (238, 926435), (278, 793135), (301, 732530), (310, 711263), (430, 512771), (434, 508045), (527, 418390), (595, 370574), (602, 366265), (695, 317254), (731, 301630), (973, 226610), (1054, 209195), (1085, 203218), (1190, 185287), (1333, 165410), (1390, 158627), (1462, 150815), (1505, 146506), (1946, 113305), (2170, 101609), (2363, 93310), (2635, 83678), (2666, 82705), (3010, 73253), (3655, 60326), (3689, 59770), (4309, 51170), (4726, 46655), (4865, 45322), (5117, 43090), (5270, 41839), (5977, 36890), (6665, 33082), (7310, 30163), (7378, 29885), (8618, 25585), (9331, 23630), (9730, 22661), (10234, 21545), (11815, 18662), (11954, 18445), (13330, 16541)]