354220880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10987}}^1$

素因数の和:11044

約数の個数: 80

約数和(自身を含む): 915608064

約数和(自身を除く): 561387184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 10987, 16120, 21974, 32240, 43948, 54935, 87896, 109870, 142831, 175792, 219740, 285662, 340597, 439480, 571324, 681194, 714155, 878960, 1142648, 1362388, 1428310, 1702985, 2285296, 2724776, 2856620, 3405970, 4427761, 5449552, 5713240, 6811940, 8855522, 11426480, 13623880, 17711044, 22138805, 27247760, 35422088, 44277610, 70844176, 88555220, 177110440, 354220880]

約数ペア:

[(1, 354220880), (2, 177110440), (4, 88555220), (5, 70844176), (8, 44277610), (10, 35422088), (13, 27247760), (16, 22138805), (20, 17711044), (26, 13623880), (31, 11426480), (40, 8855522), (52, 6811940), (62, 5713240), (65, 5449552), (80, 4427761), (104, 3405970), (124, 2856620), (130, 2724776), (155, 2285296), (208, 1702985), (248, 1428310), (260, 1362388), (310, 1142648), (403, 878960), (496, 714155), (520, 681194), (620, 571324), (806, 439480), (1040, 340597), (1240, 285662), (1612, 219740), (2015, 175792), (2480, 142831), (3224, 109870), (4030, 87896), (6448, 54935), (8060, 43948), (10987, 32240), (16120, 21974)]