404335880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:200

約数の個数: 128

約数和(自身を含む): 1017878400

約数和(自身を除く): 613542520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 107, 130, 169, 172, 214, 215, 260, 338, 344, 428, 430, 520, 535, 559, 676, 845, 856, 860, 1070, 1118, 1352, 1391, 1690, 1720, 2140, 2197, 2236, 2782, 2795, 3380, 4280, 4394, 4472, 4601, 5564, 5590, 6760, 6955, 7267, 8788, 9202, 10985, 11128, 11180, 13910, 14534, 17576, 18083, 18404, 21970, 22360, 23005, 27820, 29068, 36166, 36335, 36808, 43940, 46010, 55640, 58136, 59813, 72332, 72670, 87880, 90415, 92020, 94471, 119626, 144664, 145340, 180830, 184040, 188942, 235079, 239252, 290680, 299065, 361660, 377884, 470158, 472355, 478504, 598130, 723320, 755768, 777569, 940316, 944710, 1175395, 1196260, 1555138, 1880632, 1889420, 2350790, 2392520, 3110276, 3778840, 3887845, 4701580, 6220552, 7775690, 9403160, 10108397, 15551380, 20216794, 31102760, 40433588, 50541985, 80867176, 101083970, 202167940, 404335880]

約数ペア:

[(1, 404335880), (2, 202167940), (4, 101083970), (5, 80867176), (8, 50541985), (10, 40433588), (13, 31102760), (20, 20216794), (26, 15551380), (40, 10108397), (43, 9403160), (52, 7775690), (65, 6220552), (86, 4701580), (104, 3887845), (107, 3778840), (130, 3110276), (169, 2392520), (172, 2350790), (214, 1889420), (215, 1880632), (260, 1555138), (338, 1196260), (344, 1175395), (428, 944710), (430, 940316), (520, 777569), (535, 755768), (559, 723320), (676, 598130), (845, 478504), (856, 472355), (860, 470158), (1070, 377884), (1118, 361660), (1352, 299065), (1391, 290680), (1690, 239252), (1720, 235079), (2140, 188942), (2197, 184040), (2236, 180830), (2782, 145340), (2795, 144664), (3380, 119626), (4280, 94471), (4394, 92020), (4472, 90415), (4601, 87880), (5564, 72670), (5590, 72332), (6760, 59813), (6955, 58136), (7267, 55640), (8788, 46010), (9202, 43940), (10985, 36808), (11128, 36335), (11180, 36166), (13910, 29068), (14534, 27820), (17576, 23005), (18083, 22360), (18404, 21970)]