403438360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 1016064000

約数和(自身を除く): 612625640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 127, 130, 149, 164, 205, 254, 260, 298, 328, 410, 508, 520, 533, 596, 635, 745, 820, 1016, 1066, 1192, 1270, 1490, 1640, 1651, 1937, 2132, 2540, 2665, 2980, 3302, 3874, 4264, 5080, 5207, 5330, 5960, 6109, 6604, 7748, 8255, 9685, 10414, 10660, 12218, 13208, 15496, 16510, 18923, 19370, 20828, 21320, 24436, 26035, 30545, 33020, 37846, 38740, 41656, 48872, 52070, 61090, 66040, 67691, 75692, 77480, 79417, 94615, 104140, 122180, 135382, 151384, 158834, 189230, 208280, 244360, 245999, 270764, 317668, 338455, 378460, 397085, 491998, 541528, 635336, 676910, 756920, 775843, 794170, 983996, 1229995, 1353820, 1551686, 1588340, 1967992, 2459990, 2707640, 3103372, 3176680, 3879215, 4919980, 6206744, 7758430, 9839960, 10085959, 15516860, 20171918, 31033720, 40343836, 50429795, 80687672, 100859590, 201719180, 403438360]

約数ペア:

[(1, 403438360), (2, 201719180), (4, 100859590), (5, 80687672), (8, 50429795), (10, 40343836), (13, 31033720), (20, 20171918), (26, 15516860), (40, 10085959), (41, 9839960), (52, 7758430), (65, 6206744), (82, 4919980), (104, 3879215), (127, 3176680), (130, 3103372), (149, 2707640), (164, 2459990), (205, 1967992), (254, 1588340), (260, 1551686), (298, 1353820), (328, 1229995), (410, 983996), (508, 794170), (520, 775843), (533, 756920), (596, 676910), (635, 635336), (745, 541528), (820, 491998), (1016, 397085), (1066, 378460), (1192, 338455), (1270, 317668), (1490, 270764), (1640, 245999), (1651, 244360), (1937, 208280), (2132, 189230), (2540, 158834), (2665, 151384), (2980, 135382), (3302, 122180), (3874, 104140), (4264, 94615), (5080, 79417), (5207, 77480), (5330, 75692), (5960, 67691), (6109, 66040), (6604, 61090), (7748, 52070), (8255, 48872), (9685, 41656), (10414, 38740), (10660, 37846), (12218, 33020), (13208, 30545), (15496, 26035), (16510, 24436), (18923, 21320), (19370, 20828)]