1872169240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{7649}}^1$

素因数の和:7900

約数の個数: 64

約数和(自身を含む): 4378860000

約数和(自身を除く): 2506690760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 211, 232, 290, 422, 580, 844, 1055, 1160, 1688, 2110, 4220, 6119, 7649, 8440, 12238, 15298, 24476, 30595, 30596, 38245, 48952, 61190, 61192, 76490, 122380, 152980, 221821, 244760, 305960, 443642, 887284, 1109105, 1613939, 1774568, 2218210, 3227878, 4436420, 6455756, 8069695, 8872840, 12911512, 16139390, 32278780, 46804231, 64557560, 93608462, 187216924, 234021155, 374433848, 468042310, 936084620, 1872169240]

約数ペア:

[(1, 1872169240), (2, 936084620), (4, 468042310), (5, 374433848), (8, 234021155), (10, 187216924), (20, 93608462), (29, 64557560), (40, 46804231), (58, 32278780), (116, 16139390), (145, 12911512), (211, 8872840), (232, 8069695), (290, 6455756), (422, 4436420), (580, 3227878), (844, 2218210), (1055, 1774568), (1160, 1613939), (1688, 1109105), (2110, 887284), (4220, 443642), (6119, 305960), (7649, 244760), (8440, 221821), (12238, 152980), (15298, 122380), (24476, 76490), (30595, 61192), (30596, 61190), (38245, 48952)]