290892840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11171}}^1$

素因数の和:11223

約数の個数: 128

約数和(自身を含む): 1029611520

約数和(自身を除く): 738718680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 11171, 13020, 22342, 26040, 33513, 44684, 55855, 67026, 78197, 89368, 111710, 134052, 156394, 167565, 223420, 234591, 268104, 312788, 335130, 346301, 390985, 446840, 469182, 625576, 670260, 692602, 781970, 938364, 1038903, 1172955, 1340520, 1385204, 1563940, 1731505, 1876728, 2077806, 2345910, 2424107, 2770408, 3127880, 3463010, 4155612, 4691820, 4848214, 5194515, 6926020, 7272321, 8311224, 9383640, 9696428, 10389030, 12120535, 13852040, 14544642, 19392856, 20778060, 24241070, 29089284, 36361605, 41556120, 48482140, 58178568, 72723210, 96964280, 145446420, 290892840]

約数ペア:

[(1, 290892840), (2, 145446420), (3, 96964280), (4, 72723210), (5, 58178568), (6, 48482140), (7, 41556120), (8, 36361605), (10, 29089284), (12, 24241070), (14, 20778060), (15, 19392856), (20, 14544642), (21, 13852040), (24, 12120535), (28, 10389030), (30, 9696428), (31, 9383640), (35, 8311224), (40, 7272321), (42, 6926020), (56, 5194515), (60, 4848214), (62, 4691820), (70, 4155612), (84, 3463010), (93, 3127880), (105, 2770408), (120, 2424107), (124, 2345910), (140, 2077806), (155, 1876728), (168, 1731505), (186, 1563940), (210, 1385204), (217, 1340520), (248, 1172955), (280, 1038903), (310, 938364), (372, 781970), (420, 692602), (434, 670260), (465, 625576), (620, 469182), (651, 446840), (744, 390985), (840, 346301), (868, 335130), (930, 312788), (1085, 268104), (1240, 234591), (1302, 223420), (1736, 167565), (1860, 156394), (2170, 134052), (2604, 111710), (3255, 89368), (3720, 78197), (4340, 67026), (5208, 55855), (6510, 44684), (8680, 33513), (11171, 26040), (13020, 22342)]