888645380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{29251}}^1$

素因数の和:29305

約数の個数: 72

約数和(自身を含む): 2240937216

約数和(自身を除く): 1352291836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 6076, 7595, 15190, 29251, 30380, 58502, 117004, 146255, 204757, 292510, 409514, 585020, 819028, 906781, 1023785, 1433299, 1813562, 2047570, 2866598, 3627124, 4095140, 4533905, 5733196, 6347467, 7166495, 9067810, 12694934, 14332990, 18135620, 25389868, 28665980, 31737335, 44432269, 63474670, 88864538, 126949340, 177729076, 222161345, 444322690, 888645380]

約数ペア:

[(1, 888645380), (2, 444322690), (4, 222161345), (5, 177729076), (7, 126949340), (10, 88864538), (14, 63474670), (20, 44432269), (28, 31737335), (31, 28665980), (35, 25389868), (49, 18135620), (62, 14332990), (70, 12694934), (98, 9067810), (124, 7166495), (140, 6347467), (155, 5733196), (196, 4533905), (217, 4095140), (245, 3627124), (310, 2866598), (434, 2047570), (490, 1813562), (620, 1433299), (868, 1023785), (980, 906781), (1085, 819028), (1519, 585020), (2170, 409514), (3038, 292510), (4340, 204757), (6076, 146255), (7595, 117004), (15190, 58502), (29251, 30380)]