289756070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{40639}}^1$

素因数の和:40700

約数の個数: 32

約数和(自身を含む): 561807360

約数和(自身を除く): 272051290

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 3565, 7130, 40639, 81278, 203195, 406390, 934697, 1259809, 1869394, 2519618, 4673485, 6299045, 9346970, 12598090, 28975607, 57951214, 144878035, 289756070]

約数ペア:

[(1, 289756070), (2, 144878035), (5, 57951214), (10, 28975607), (23, 12598090), (31, 9346970), (46, 6299045), (62, 4673485), (115, 2519618), (155, 1869394), (230, 1259809), (310, 934697), (713, 406390), (1426, 203195), (3565, 81278), (7130, 40639)]