4418804920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157141}}^1$

素因数の和:157208

約数の個数: 64

約数和(自身を含む): 10748512800

約数和(自身を除く): 6329707880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2812, 3515, 5624, 7030, 14060, 28120, 157141, 314282, 628564, 785705, 1257128, 1571410, 2985679, 3142820, 5814217, 5971358, 6285640, 11628434, 11942716, 14928395, 23256868, 23885432, 29071085, 29856790, 46513736, 58142170, 59713580, 110470123, 116284340, 119427160, 220940246, 232568680, 441880492, 552350615, 883760984, 1104701230, 2209402460, 4418804920]

約数ペア:

[(1, 4418804920), (2, 2209402460), (4, 1104701230), (5, 883760984), (8, 552350615), (10, 441880492), (19, 232568680), (20, 220940246), (37, 119427160), (38, 116284340), (40, 110470123), (74, 59713580), (76, 58142170), (95, 46513736), (148, 29856790), (152, 29071085), (185, 23885432), (190, 23256868), (296, 14928395), (370, 11942716), (380, 11628434), (703, 6285640), (740, 5971358), (760, 5814217), (1406, 3142820), (1480, 2985679), (2812, 1571410), (3515, 1257128), (5624, 785705), (7030, 628564), (14060, 314282), (28120, 157141)]