257546970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{977}}^1$

素因数の和:1120

約数の個数: 96

約数和(自身を含む): 700287120

約数和(自身を除く): 442740150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 101, 145, 174, 202, 261, 290, 303, 435, 505, 522, 606, 870, 909, 977, 1010, 1305, 1515, 1818, 1954, 2610, 2929, 2931, 3030, 4545, 4885, 5858, 5862, 8787, 8793, 9090, 9770, 14645, 14655, 17574, 17586, 26361, 28333, 29290, 29310, 43935, 43965, 52722, 56666, 84999, 87870, 87930, 98677, 131805, 141665, 169998, 197354, 254997, 263610, 283330, 296031, 424995, 493385, 509994, 592062, 849990, 888093, 986770, 1274985, 1480155, 1776186, 2549970, 2861633, 2960310, 4440465, 5723266, 8584899, 8880930, 14308165, 17169798, 25754697, 28616330, 42924495, 51509394, 85848990, 128773485, 257546970]

約数ペア:

[(1, 257546970), (2, 128773485), (3, 85848990), (5, 51509394), (6, 42924495), (9, 28616330), (10, 25754697), (15, 17169798), (18, 14308165), (29, 8880930), (30, 8584899), (45, 5723266), (58, 4440465), (87, 2960310), (90, 2861633), (101, 2549970), (145, 1776186), (174, 1480155), (202, 1274985), (261, 986770), (290, 888093), (303, 849990), (435, 592062), (505, 509994), (522, 493385), (606, 424995), (870, 296031), (909, 283330), (977, 263610), (1010, 254997), (1305, 197354), (1515, 169998), (1818, 141665), (1954, 131805), (2610, 98677), (2929, 87930), (2931, 87870), (3030, 84999), (4545, 56666), (4885, 52722), (5858, 43965), (5862, 43935), (8787, 29310), (8793, 29290), (9090, 28333), (9770, 26361), (14645, 17586), (14655, 17574)]