1398100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:97

約数の個数: 72

約数和(自身を含む): 3499776

約数和(自身を除く): 2101676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 41, 44, 50, 55, 62, 82, 100, 110, 124, 155, 164, 205, 220, 275, 310, 341, 410, 451, 550, 620, 682, 775, 820, 902, 1025, 1100, 1271, 1364, 1550, 1705, 1804, 2050, 2255, 2542, 3100, 3410, 4100, 4510, 5084, 6355, 6820, 8525, 9020, 11275, 12710, 13981, 17050, 22550, 25420, 27962, 31775, 34100, 45100, 55924, 63550, 69905, 127100, 139810, 279620, 349525, 699050, 1398100]

約数ペア:

[(1, 1398100), (2, 699050), (4, 349525), (5, 279620), (10, 139810), (11, 127100), (20, 69905), (22, 63550), (25, 55924), (31, 45100), (41, 34100), (44, 31775), (50, 27962), (55, 25420), (62, 22550), (82, 17050), (100, 13981), (110, 12710), (124, 11275), (155, 9020), (164, 8525), (205, 6820), (220, 6355), (275, 5084), (310, 4510), (341, 4100), (410, 3410), (451, 3100), (550, 2542), (620, 2255), (682, 2050), (775, 1804), (820, 1705), (902, 1550), (1025, 1364), (1100, 1271)]