201920050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 419973120

約数和(自身を除く): 218053070

約数列:

[1, 2, 5, 10, 17, 25, 31, 34, 50, 62, 79, 85, 97, 155, 158, 170, 194, 310, 395, 425, 485, 527, 775, 790, 850, 970, 1054, 1343, 1550, 1649, 1975, 2425, 2449, 2635, 2686, 3007, 3298, 3950, 4850, 4898, 5270, 6014, 6715, 7663, 8245, 12245, 13175, 13430, 15035, 15326, 16490, 24490, 26350, 30070, 33575, 38315, 41225, 41633, 51119, 61225, 67150, 75175, 76630, 82450, 83266, 102238, 122450, 130271, 150350, 191575, 208165, 237553, 255595, 260542, 383150, 416330, 475106, 511190, 651355, 1040825, 1187765, 1277975, 1302710, 2081650, 2375530, 2555950, 3256775, 4038401, 5938825, 6513550, 8076802, 11877650, 20192005, 40384010, 100960025, 201920050]

約数ペア:

[(1, 201920050), (2, 100960025), (5, 40384010), (10, 20192005), (17, 11877650), (25, 8076802), (31, 6513550), (34, 5938825), (50, 4038401), (62, 3256775), (79, 2555950), (85, 2375530), (97, 2081650), (155, 1302710), (158, 1277975), (170, 1187765), (194, 1040825), (310, 651355), (395, 511190), (425, 475106), (485, 416330), (527, 383150), (775, 260542), (790, 255595), (850, 237553), (970, 208165), (1054, 191575), (1343, 150350), (1550, 130271), (1649, 122450), (1975, 102238), (2425, 83266), (2449, 82450), (2635, 76630), (2686, 75175), (3007, 67150), (3298, 61225), (3950, 51119), (4850, 41633), (4898, 41225), (5270, 38315), (6014, 33575), (6715, 30070), (7663, 26350), (8245, 24490), (12245, 16490), (13175, 15326), (13430, 15035)]