212880980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{22129}}^1$

素因数の和:22188

約数の個数: 48

約数和(自身を含む): 494472720

約数和(自身を除く): 281591740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 22129, 44258, 88516, 110645, 221290, 287677, 442580, 575354, 818773, 1150708, 1438385, 1637546, 2876770, 3275092, 4093865, 5753540, 8187730, 10644049, 16375460, 21288098, 42576196, 53220245, 106440490, 212880980]

約数ペア:

[(1, 212880980), (2, 106440490), (4, 53220245), (5, 42576196), (10, 21288098), (13, 16375460), (20, 10644049), (26, 8187730), (37, 5753540), (52, 4093865), (65, 3275092), (74, 2876770), (130, 1637546), (148, 1438385), (185, 1150708), (260, 818773), (370, 575354), (481, 442580), (740, 287677), (962, 221290), (1924, 110645), (2405, 88516), (4810, 44258), (9620, 22129)]