123944200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{19991}}^1$

素因数の和:20038

約数の個数: 48

約数和(自身を含む): 297480960

約数和(自身を除く): 173536760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 19991, 39982, 79964, 99955, 159928, 199910, 399820, 499775, 619721, 799640, 999550, 1239442, 1999100, 2478884, 3098605, 3998200, 4957768, 6197210, 12394420, 15493025, 24788840, 30986050, 61972100, 123944200]

約数ペア:

[(1, 123944200), (2, 61972100), (4, 30986050), (5, 24788840), (8, 15493025), (10, 12394420), (20, 6197210), (25, 4957768), (31, 3998200), (40, 3098605), (50, 2478884), (62, 1999100), (100, 1239442), (124, 999550), (155, 799640), (200, 619721), (248, 499775), (310, 399820), (620, 199910), (775, 159928), (1240, 99955), (1550, 79964), (3100, 39982), (6200, 19991)]