90392900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2243}}^1$

素因数の和:2301

約数の個数: 72

約数和(自身を含む): 218152704

約数和(自身を除く): 127759804

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 2015, 2243, 3100, 4030, 4486, 8060, 8972, 10075, 11215, 20150, 22430, 29159, 40300, 44860, 56075, 58318, 69533, 112150, 116636, 139066, 145795, 224300, 278132, 291590, 347665, 583180, 695330, 728975, 903929, 1390660, 1457950, 1738325, 1807858, 2915900, 3476650, 3615716, 4519645, 6953300, 9039290, 18078580, 22598225, 45196450, 90392900]

約数ペア:

[(1, 90392900), (2, 45196450), (4, 22598225), (5, 18078580), (10, 9039290), (13, 6953300), (20, 4519645), (25, 3615716), (26, 3476650), (31, 2915900), (50, 1807858), (52, 1738325), (62, 1457950), (65, 1390660), (100, 903929), (124, 728975), (130, 695330), (155, 583180), (260, 347665), (310, 291590), (325, 278132), (403, 224300), (620, 145795), (650, 139066), (775, 116636), (806, 112150), (1300, 69533), (1550, 58318), (1612, 56075), (2015, 44860), (2243, 40300), (3100, 29159), (4030, 22430), (4486, 20150), (8060, 11215), (8972, 10075)]