248884020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17957}}^1$

素因数の和:17990

約数の個数: 144

約数和(自身を含む): 941286528

約数和(自身を除く): 692402508

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 6930, 13860, 17957, 35914, 53871, 71828, 89785, 107742, 125699, 161613, 179570, 197527, 215484, 251398, 269355, 323226, 359140, 377097, 395054, 502796, 538710, 592581, 628495, 646452, 754194, 790108, 808065, 987635, 1077420, 1131291, 1185162, 1256990, 1382689, 1508388, 1616130, 1777743, 1885485, 1975270, 2262582, 2370324, 2513980, 2765378, 2962905, 3232260, 3555486, 3770970, 3950540, 4148067, 4525164, 5530756, 5656455, 5925810, 6913445, 7110972, 7541940, 8296134, 8888715, 11312910, 11851620, 12444201, 13826890, 16592268, 17777430, 20740335, 22625820, 24888402, 27653780, 35554860, 41480670, 49776804, 62221005, 82961340, 124442010, 248884020]

約数ペア:

[(1, 248884020), (2, 124442010), (3, 82961340), (4, 62221005), (5, 49776804), (6, 41480670), (7, 35554860), (9, 27653780), (10, 24888402), (11, 22625820), (12, 20740335), (14, 17777430), (15, 16592268), (18, 13826890), (20, 12444201), (21, 11851620), (22, 11312910), (28, 8888715), (30, 8296134), (33, 7541940), (35, 7110972), (36, 6913445), (42, 5925810), (44, 5656455), (45, 5530756), (55, 4525164), (60, 4148067), (63, 3950540), (66, 3770970), (70, 3555486), (77, 3232260), (84, 2962905), (90, 2765378), (99, 2513980), (105, 2370324), (110, 2262582), (126, 1975270), (132, 1885485), (140, 1777743), (154, 1616130), (165, 1508388), (180, 1382689), (198, 1256990), (210, 1185162), (220, 1131291), (231, 1077420), (252, 987635), (308, 808065), (315, 790108), (330, 754194), (385, 646452), (396, 628495), (420, 592581), (462, 538710), (495, 502796), (630, 395054), (660, 377097), (693, 359140), (770, 323226), (924, 269355), (990, 251398), (1155, 215484), (1260, 197527), (1386, 179570), (1540, 161613), (1980, 125699), (2310, 107742), (2772, 89785), (3465, 71828), (4620, 53871), (6930, 35914), (13860, 17957)]