122400400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{9871}}^1$

素因数の和:9920

約数の個数: 60

約数和(自身を含む): 303583744

約数和(自身を除く): 181183344

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, 9871, 12400, 19742, 39484, 49355, 78968, 98710, 157936, 197420, 246775, 306001, 394840, 493550, 612002, 789680, 987100, 1224004, 1530005, 1974200, 2448008, 3060010, 3948400, 4896016, 6120020, 7650025, 12240040, 15300050, 24480080, 30600100, 61200200, 122400400]

約数ペア:

[(1, 122400400), (2, 61200200), (4, 30600100), (5, 24480080), (8, 15300050), (10, 12240040), (16, 7650025), (20, 6120020), (25, 4896016), (31, 3948400), (40, 3060010), (50, 2448008), (62, 1974200), (80, 1530005), (100, 1224004), (124, 987100), (155, 789680), (200, 612002), (248, 493550), (310, 394840), (400, 306001), (496, 246775), (620, 197420), (775, 157936), (1240, 98710), (1550, 78968), (2480, 49355), (3100, 39484), (6200, 19742), (9871, 12400)]