261314448

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{821}}^1$

素因数の和:1200

約数の個数: 80

約数和(自身を含む): 713496000

約数和(自身を除く): 452181552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 349, 456, 698, 821, 912, 1047, 1396, 1642, 2094, 2463, 2792, 3284, 4188, 4926, 5584, 6568, 6631, 8376, 9852, 13136, 13262, 15599, 16752, 19704, 19893, 26524, 31198, 39408, 39786, 46797, 53048, 62396, 79572, 93594, 106096, 124792, 159144, 187188, 249584, 286529, 318288, 374376, 573058, 748752, 859587, 1146116, 1719174, 2292232, 3438348, 4584464, 5444051, 6876696, 10888102, 13753392, 16332153, 21776204, 32664306, 43552408, 65328612, 87104816, 130657224, 261314448]

約数ペア:

[(1, 261314448), (2, 130657224), (3, 87104816), (4, 65328612), (6, 43552408), (8, 32664306), (12, 21776204), (16, 16332153), (19, 13753392), (24, 10888102), (38, 6876696), (48, 5444051), (57, 4584464), (76, 3438348), (114, 2292232), (152, 1719174), (228, 1146116), (304, 859587), (349, 748752), (456, 573058), (698, 374376), (821, 318288), (912, 286529), (1047, 249584), (1396, 187188), (1642, 159144), (2094, 124792), (2463, 106096), (2792, 93594), (3284, 79572), (4188, 62396), (4926, 53048), (5584, 46797), (6568, 39786), (6631, 39408), (8376, 31198), (9852, 26524), (13136, 19893), (13262, 19704), (15599, 16752)]