51949040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:295

約数の個数: 160

約数和(自身を含む): 149990400

約数和(自身を除く): 98041360

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 80, 88, 95, 104, 110, 130, 143, 152, 176, 190, 208, 209, 220, 239, 247, 260, 286, 304, 380, 418, 440, 478, 494, 520, 572, 715, 760, 836, 880, 956, 988, 1040, 1045, 1144, 1195, 1235, 1430, 1520, 1672, 1912, 1976, 2090, 2288, 2390, 2470, 2629, 2717, 2860, 3107, 3344, 3824, 3952, 4180, 4541, 4780, 4940, 5258, 5434, 5720, 6214, 8360, 9082, 9560, 9880, 10516, 10868, 11440, 12428, 13145, 13585, 15535, 16720, 18164, 19120, 19760, 21032, 21736, 22705, 24856, 26290, 27170, 31070, 34177, 36328, 42064, 43472, 45410, 49712, 49951, 52580, 54340, 59033, 62140, 68354, 72656, 90820, 99902, 105160, 108680, 118066, 124280, 136708, 170885, 181640, 199804, 210320, 217360, 236132, 248560, 249755, 273416, 295165, 341770, 363280, 399608, 472264, 499510, 546832, 590330, 649363, 683540, 799216, 944528, 999020, 1180660, 1298726, 1367080, 1998040, 2361320, 2597452, 2734160, 3246815, 3996080, 4722640, 5194904, 6493630, 10389808, 12987260, 25974520, 51949040]

約数ペア:

[(1, 51949040), (2, 25974520), (4, 12987260), (5, 10389808), (8, 6493630), (10, 5194904), (11, 4722640), (13, 3996080), (16, 3246815), (19, 2734160), (20, 2597452), (22, 2361320), (26, 1998040), (38, 1367080), (40, 1298726), (44, 1180660), (52, 999020), (55, 944528), (65, 799216), (76, 683540), (80, 649363), (88, 590330), (95, 546832), (104, 499510), (110, 472264), (130, 399608), (143, 363280), (152, 341770), (176, 295165), (190, 273416), (208, 249755), (209, 248560), (220, 236132), (239, 217360), (247, 210320), (260, 199804), (286, 181640), (304, 170885), (380, 136708), (418, 124280), (440, 118066), (478, 108680), (494, 105160), (520, 99902), (572, 90820), (715, 72656), (760, 68354), (836, 62140), (880, 59033), (956, 54340), (988, 52580), (1040, 49951), (1045, 49712), (1144, 45410), (1195, 43472), (1235, 42064), (1430, 36328), (1520, 34177), (1672, 31070), (1912, 27170), (1976, 26290), (2090, 24856), (2288, 22705), (2390, 21736), (2470, 21032), (2629, 19760), (2717, 19120), (2860, 18164), (3107, 16720), (3344, 15535), (3824, 13585), (3952, 13145), (4180, 12428), (4541, 11440), (4780, 10868), (4940, 10516), (5258, 9880), (5434, 9560), (5720, 9082), (6214, 8360)]