8708500780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{19867}}^1$

素因数の和:20015

約数の個数: 96

約数和(自身を含む): 21789315072

約数和(自身を除く): 13080814292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 101, 124, 140, 155, 202, 217, 310, 404, 434, 505, 620, 707, 868, 1010, 1085, 1414, 2020, 2170, 2828, 3131, 3535, 4340, 6262, 7070, 12524, 14140, 15655, 19867, 21917, 31310, 39734, 43834, 62620, 79468, 87668, 99335, 109585, 139069, 198670, 219170, 278138, 397340, 438340, 556276, 615877, 695345, 1231754, 1390690, 2006567, 2463508, 2781380, 3079385, 4013134, 4311139, 6158770, 8026268, 8622278, 10032835, 12317540, 14045969, 17244556, 20065670, 21555695, 28091938, 40131340, 43111390, 56183876, 62203577, 70229845, 86222780, 124407154, 140459690, 248814308, 280919380, 311017885, 435425039, 622035770, 870850078, 1244071540, 1741700156, 2177125195, 4354250390, 8708500780]

約数ペア:

[(1, 8708500780), (2, 4354250390), (4, 2177125195), (5, 1741700156), (7, 1244071540), (10, 870850078), (14, 622035770), (20, 435425039), (28, 311017885), (31, 280919380), (35, 248814308), (62, 140459690), (70, 124407154), (101, 86222780), (124, 70229845), (140, 62203577), (155, 56183876), (202, 43111390), (217, 40131340), (310, 28091938), (404, 21555695), (434, 20065670), (505, 17244556), (620, 14045969), (707, 12317540), (868, 10032835), (1010, 8622278), (1085, 8026268), (1414, 6158770), (2020, 4311139), (2170, 4013134), (2828, 3079385), (3131, 2781380), (3535, 2463508), (4340, 2006567), (6262, 1390690), (7070, 1231754), (12524, 695345), (14140, 615877), (15655, 556276), (19867, 438340), (21917, 397340), (31310, 278138), (39734, 219170), (43834, 198670), (62620, 139069), (79468, 109585), (87668, 99335)]