72120100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1913}}^1$

素因数の和:1969

約数の個数: 72

約数和(自身を含む): 174441960

約数和(自身を除く): 102321860

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 377, 580, 650, 725, 754, 1300, 1450, 1508, 1885, 1913, 2900, 3770, 3826, 7540, 7652, 9425, 9565, 18850, 19130, 24869, 37700, 38260, 47825, 49738, 55477, 95650, 99476, 110954, 124345, 191300, 221908, 248690, 277385, 497380, 554770, 621725, 721201, 1109540, 1243450, 1386925, 1442402, 2486900, 2773850, 2884804, 3606005, 5547700, 7212010, 14424020, 18030025, 36060050, 72120100]

約数ペア:

[(1, 72120100), (2, 36060050), (4, 18030025), (5, 14424020), (10, 7212010), (13, 5547700), (20, 3606005), (25, 2884804), (26, 2773850), (29, 2486900), (50, 1442402), (52, 1386925), (58, 1243450), (65, 1109540), (100, 721201), (116, 621725), (130, 554770), (145, 497380), (260, 277385), (290, 248690), (325, 221908), (377, 191300), (580, 124345), (650, 110954), (725, 99476), (754, 95650), (1300, 55477), (1450, 49738), (1508, 47825), (1885, 38260), (1913, 37700), (2900, 24869), (3770, 19130), (3826, 18850), (7540, 9565), (7652, 9425)]