290502618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{761}}^1$

素因数の和:983

約数の個数: 64

約数和(自身を含む): 680313600

約数和(自身を除く): 389810982

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 149, 183, 298, 366, 427, 447, 761, 854, 894, 1043, 1281, 1522, 2086, 2283, 2562, 3129, 4566, 5327, 6258, 9089, 10654, 15981, 18178, 27267, 31962, 46421, 54534, 63623, 92842, 113389, 127246, 139263, 190869, 226778, 278526, 324947, 340167, 381738, 649894, 680334, 793723, 974841, 1587446, 1949682, 2381169, 4762338, 6916729, 13833458, 20750187, 41500374, 48417103, 96834206, 145251309, 290502618]

約数ペア:

[(1, 290502618), (2, 145251309), (3, 96834206), (6, 48417103), (7, 41500374), (14, 20750187), (21, 13833458), (42, 6916729), (61, 4762338), (122, 2381169), (149, 1949682), (183, 1587446), (298, 974841), (366, 793723), (427, 680334), (447, 649894), (761, 381738), (854, 340167), (894, 324947), (1043, 278526), (1281, 226778), (1522, 190869), (2086, 139263), (2283, 127246), (2562, 113389), (3129, 92842), (4566, 63623), (5327, 54534), (6258, 46421), (9089, 31962), (10654, 27267), (15981, 18178)]