279863220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51257}}^1$

素因数の和:51289

約数の個数: 96

約数和(自身を含む): 964470528

約数和(自身を除く): 684607308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 51257, 102514, 153771, 205028, 256285, 307542, 358799, 512570, 615084, 666341, 717598, 768855, 1025140, 1076397, 1332682, 1435196, 1537710, 1793995, 1999023, 2152794, 2665364, 3075420, 3331705, 3587990, 3998046, 4305588, 4664387, 5381985, 6663410, 7175980, 7996092, 9328774, 9995115, 10763970, 13326820, 13993161, 18657548, 19990230, 21527940, 23321935, 27986322, 39980460, 46643870, 55972644, 69965805, 93287740, 139931610, 279863220]

約数ペア:

[(1, 279863220), (2, 139931610), (3, 93287740), (4, 69965805), (5, 55972644), (6, 46643870), (7, 39980460), (10, 27986322), (12, 23321935), (13, 21527940), (14, 19990230), (15, 18657548), (20, 13993161), (21, 13326820), (26, 10763970), (28, 9995115), (30, 9328774), (35, 7996092), (39, 7175980), (42, 6663410), (52, 5381985), (60, 4664387), (65, 4305588), (70, 3998046), (78, 3587990), (84, 3331705), (91, 3075420), (105, 2665364), (130, 2152794), (140, 1999023), (156, 1793995), (182, 1537710), (195, 1435196), (210, 1332682), (260, 1076397), (273, 1025140), (364, 768855), (390, 717598), (420, 666341), (455, 615084), (546, 512570), (780, 358799), (910, 307542), (1092, 256285), (1365, 205028), (1820, 153771), (2730, 102514), (5460, 51257)]