251362020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2423}}^1$

素因数の和:2474

約数の個数: 192

約数和(自身を含む): 912199680

約数和(自身を除く): 660837660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 26, 28, 30, 35, 38, 39, 42, 52, 57, 60, 65, 70, 76, 78, 84, 91, 95, 105, 114, 130, 133, 140, 156, 182, 190, 195, 210, 228, 247, 260, 266, 273, 285, 364, 380, 390, 399, 420, 455, 494, 532, 546, 570, 665, 741, 780, 798, 910, 988, 1092, 1140, 1235, 1330, 1365, 1482, 1596, 1729, 1820, 1995, 2423, 2470, 2660, 2730, 2964, 3458, 3705, 3990, 4846, 4940, 5187, 5460, 6916, 7269, 7410, 7980, 8645, 9692, 10374, 12115, 14538, 14820, 16961, 17290, 20748, 24230, 25935, 29076, 31499, 33922, 34580, 36345, 46037, 48460, 50883, 51870, 62998, 67844, 72690, 84805, 92074, 94497, 101766, 103740, 125996, 138111, 145380, 157495, 169610, 184148, 188994, 203532, 220493, 230185, 254415, 276222, 314990, 322259, 339220, 377988, 440986, 460370, 472485, 508830, 552444, 598481, 629980, 644518, 661479, 690555, 881972, 920740, 944970, 966777, 1017660, 1102465, 1196962, 1289036, 1322958, 1381110, 1611295, 1795443, 1889940, 1933554, 2204930, 2393924, 2645916, 2762220, 2992405, 3222590, 3307395, 3590886, 3867108, 4189367, 4409860, 4833885, 5984810, 6445180, 6614790, 7181772, 8378734, 8977215, 9667770, 11969620, 12568101, 13229580, 16757468, 17954430, 19335540, 20946835, 25136202, 35908860, 41893670, 50272404, 62840505, 83787340, 125681010, 251362020]

約数ペア:

[(1, 251362020), (2, 125681010), (3, 83787340), (4, 62840505), (5, 50272404), (6, 41893670), (7, 35908860), (10, 25136202), (12, 20946835), (13, 19335540), (14, 17954430), (15, 16757468), (19, 13229580), (20, 12568101), (21, 11969620), (26, 9667770), (28, 8977215), (30, 8378734), (35, 7181772), (38, 6614790), (39, 6445180), (42, 5984810), (52, 4833885), (57, 4409860), (60, 4189367), (65, 3867108), (70, 3590886), (76, 3307395), (78, 3222590), (84, 2992405), (91, 2762220), (95, 2645916), (105, 2393924), (114, 2204930), (130, 1933554), (133, 1889940), (140, 1795443), (156, 1611295), (182, 1381110), (190, 1322958), (195, 1289036), (210, 1196962), (228, 1102465), (247, 1017660), (260, 966777), (266, 944970), (273, 920740), (285, 881972), (364, 690555), (380, 661479), (390, 644518), (399, 629980), (420, 598481), (455, 552444), (494, 508830), (532, 472485), (546, 460370), (570, 440986), (665, 377988), (741, 339220), (780, 322259), (798, 314990), (910, 276222), (988, 254415), (1092, 230185), (1140, 220493), (1235, 203532), (1330, 188994), (1365, 184148), (1482, 169610), (1596, 157495), (1729, 145380), (1820, 138111), (1995, 125996), (2423, 103740), (2470, 101766), (2660, 94497), (2730, 92074), (2964, 84805), (3458, 72690), (3705, 67844), (3990, 62998), (4846, 51870), (4940, 50883), (5187, 48460), (5460, 46037), (6916, 36345), (7269, 34580), (7410, 33922), (7980, 31499), (8645, 29076), (9692, 25935), (10374, 24230), (12115, 20748), (14538, 17290), (14820, 16961)]