400628460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{751}}^1$

素因数の和:1303

約数の個数: 96

約数和(自身を含む): 1191601152

約数和(自身を除く): 790972692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 523, 751, 1020, 1046, 1502, 1569, 2092, 2253, 2615, 3004, 3138, 3755, 4506, 5230, 6276, 7510, 7845, 8891, 9012, 10460, 11265, 12767, 15020, 15690, 17782, 22530, 25534, 26673, 31380, 35564, 38301, 44455, 45060, 51068, 53346, 63835, 76602, 88910, 106692, 127670, 133365, 153204, 177820, 191505, 255340, 266730, 383010, 392773, 533460, 766020, 785546, 1178319, 1571092, 1963865, 2356638, 3927730, 4713276, 5891595, 6677141, 7855460, 11783190, 13354282, 20031423, 23566380, 26708564, 33385705, 40062846, 66771410, 80125692, 100157115, 133542820, 200314230, 400628460]

約数ペア:

[(1, 400628460), (2, 200314230), (3, 133542820), (4, 100157115), (5, 80125692), (6, 66771410), (10, 40062846), (12, 33385705), (15, 26708564), (17, 23566380), (20, 20031423), (30, 13354282), (34, 11783190), (51, 7855460), (60, 6677141), (68, 5891595), (85, 4713276), (102, 3927730), (170, 2356638), (204, 1963865), (255, 1571092), (340, 1178319), (510, 785546), (523, 766020), (751, 533460), (1020, 392773), (1046, 383010), (1502, 266730), (1569, 255340), (2092, 191505), (2253, 177820), (2615, 153204), (3004, 133365), (3138, 127670), (3755, 106692), (4506, 88910), (5230, 76602), (6276, 63835), (7510, 53346), (7845, 51068), (8891, 45060), (9012, 44455), (10460, 38301), (11265, 35564), (12767, 31380), (15020, 26673), (15690, 25534), (17782, 22530)]