2018520700

素因数分解:

$2^2\times 5^2\times 7^5\times {\mathrm{1201}}^1$

素因数の和:1250

約数の個数: 108

約数和(自身を含む): 5114433072

約数和(自身を除く): 3095912372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 686, 700, 980, 1201, 1225, 1372, 1715, 2401, 2402, 2450, 3430, 4802, 4804, 4900, 6005, 6860, 8407, 8575, 9604, 12005, 12010, 16807, 16814, 17150, 24010, 24020, 30025, 33614, 33628, 34300, 42035, 48020, 58849, 60025, 60050, 67228, 84035, 84070, 117698, 120050, 120100, 168070, 168140, 210175, 235396, 240100, 294245, 336140, 411943, 420175, 420350, 588490, 823886, 840350, 840700, 1176980, 1471225, 1647772, 1680700, 2059715, 2883601, 2942450, 4119430, 5767202, 5884900, 8238860, 10298575, 11534404, 14418005, 20185207, 20597150, 28836010, 40370414, 41194300, 57672020, 72090025, 80740828, 100926035, 144180050, 201852070, 288360100, 403704140, 504630175, 1009260350, 2018520700]

約数ペア:

[(1, 2018520700), (2, 1009260350), (4, 504630175), (5, 403704140), (7, 288360100), (10, 201852070), (14, 144180050), (20, 100926035), (25, 80740828), (28, 72090025), (35, 57672020), (49, 41194300), (50, 40370414), (70, 28836010), (98, 20597150), (100, 20185207), (140, 14418005), (175, 11534404), (196, 10298575), (245, 8238860), (343, 5884900), (350, 5767202), (490, 4119430), (686, 2942450), (700, 2883601), (980, 2059715), (1201, 1680700), (1225, 1647772), (1372, 1471225), (1715, 1176980), (2401, 840700), (2402, 840350), (2450, 823886), (3430, 588490), (4802, 420350), (4804, 420175), (4900, 411943), (6005, 336140), (6860, 294245), (8407, 240100), (8575, 235396), (9604, 210175), (12005, 168140), (12010, 168070), (16807, 120100), (16814, 120050), (17150, 117698), (24010, 84070), (24020, 84035), (30025, 67228), (33614, 60050), (33628, 60025), (34300, 58849), (42035, 48020)]