159969490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 314344800

約数和(自身を除く): 154375310

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 97, 109, 170, 178, 194, 218, 445, 485, 545, 890, 970, 1090, 1513, 1649, 1853, 3026, 3298, 3706, 7565, 8245, 8633, 9265, 9701, 10573, 15130, 16490, 17266, 18530, 19402, 21146, 43165, 48505, 52865, 86330, 97010, 105730, 146761, 164917, 179741, 293522, 329834, 359482, 733805, 824585, 898705, 940997, 1467610, 1649170, 1797410, 1881994, 4704985, 9409970, 15996949, 31993898, 79984745, 159969490]

約数ペア:

[(1, 159969490), (2, 79984745), (5, 31993898), (10, 15996949), (17, 9409970), (34, 4704985), (85, 1881994), (89, 1797410), (97, 1649170), (109, 1467610), (170, 940997), (178, 898705), (194, 824585), (218, 733805), (445, 359482), (485, 329834), (545, 293522), (890, 179741), (970, 164917), (1090, 146761), (1513, 105730), (1649, 97010), (1853, 86330), (3026, 52865), (3298, 48505), (3706, 43165), (7565, 21146), (8245, 19402), (8633, 18530), (9265, 17266), (9701, 16490), (10573, 15130)]