390984825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:967

約数の個数: 96

約数和(自身を含む): 817090560

約数和(自身を除く): 426105735

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 79, 105, 165, 175, 231, 237, 275, 385, 395, 525, 553, 825, 857, 869, 1155, 1185, 1659, 1925, 1975, 2571, 2607, 2765, 4285, 4345, 5775, 5925, 5999, 6083, 8295, 9427, 12855, 13035, 13825, 17997, 18249, 21425, 21725, 28281, 29995, 30415, 41475, 47135, 64275, 65175, 65989, 67703, 89985, 91245, 141405, 149975, 152075, 197967, 203109, 235675, 329945, 338515, 449925, 456225, 473921, 707025, 744733, 989835, 1015545, 1421763, 1649725, 1692575, 2234199, 2369605, 3723665, 4949175, 5077725, 5213131, 7108815, 11170995, 11848025, 15639393, 18618325, 26065655, 35544075, 55854975, 78196965, 130328275, 390984825]

約数ペア:

[(1, 390984825), (3, 130328275), (5, 78196965), (7, 55854975), (11, 35544075), (15, 26065655), (21, 18618325), (25, 15639393), (33, 11848025), (35, 11170995), (55, 7108815), (75, 5213131), (77, 5077725), (79, 4949175), (105, 3723665), (165, 2369605), (175, 2234199), (231, 1692575), (237, 1649725), (275, 1421763), (385, 1015545), (395, 989835), (525, 744733), (553, 707025), (825, 473921), (857, 456225), (869, 449925), (1155, 338515), (1185, 329945), (1659, 235675), (1925, 203109), (1975, 197967), (2571, 152075), (2607, 149975), (2765, 141405), (4285, 91245), (4345, 89985), (5775, 67703), (5925, 65989), (5999, 65175), (6083, 64275), (8295, 47135), (9427, 41475), (12855, 30415), (13035, 29995), (13825, 28281), (17997, 21725), (18249, 21425)]