154888400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12491}}^1$

素因数の和:12540

約数の個数: 60

約数和(自身を含む): 384153984

約数和(自身を除く): 229265584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400, 12491, 24982, 49964, 62455, 99928, 124910, 199856, 249820, 312275, 387221, 499640, 624550, 774442, 999280, 1249100, 1548884, 1936105, 2498200, 3097768, 3872210, 4996400, 6195536, 7744420, 9680525, 15488840, 19361050, 30977680, 38722100, 77444200, 154888400]

約数ペア:

[(1, 154888400), (2, 77444200), (4, 38722100), (5, 30977680), (8, 19361050), (10, 15488840), (16, 9680525), (20, 7744420), (25, 6195536), (31, 4996400), (40, 3872210), (50, 3097768), (62, 2498200), (80, 1936105), (100, 1548884), (124, 1249100), (155, 999280), (200, 774442), (248, 624550), (310, 499640), (400, 387221), (496, 312275), (620, 249820), (775, 199856), (1240, 124910), (1550, 99928), (2480, 62455), (3100, 49964), (6200, 24982), (12400, 12491)]