290002440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26557}}^1$

素因数の和:26591

約数の個数: 128

約数和(自身を含む): 1070818560

約数和(自身を除く): 780816120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 26557, 53114, 79671, 106228, 132785, 159342, 185899, 212456, 265570, 318684, 345241, 371798, 398355, 531140, 557697, 637368, 690482, 743596, 796710, 929495, 1035723, 1062280, 1115394, 1380964, 1487192, 1593420, 1726205, 1858990, 2071446, 2230788, 2416687, 2761928, 2788485, 3186840, 3452410, 3717980, 4142892, 4461576, 4833374, 5178615, 5576970, 6904820, 7250061, 7435960, 8285784, 9666748, 10357230, 11153940, 12083435, 13809640, 14500122, 19333496, 20714460, 22307880, 24166870, 29000244, 36250305, 41428920, 48333740, 58000488, 72500610, 96667480, 145001220, 290002440]

約数ペア:

[(1, 290002440), (2, 145001220), (3, 96667480), (4, 72500610), (5, 58000488), (6, 48333740), (7, 41428920), (8, 36250305), (10, 29000244), (12, 24166870), (13, 22307880), (14, 20714460), (15, 19333496), (20, 14500122), (21, 13809640), (24, 12083435), (26, 11153940), (28, 10357230), (30, 9666748), (35, 8285784), (39, 7435960), (40, 7250061), (42, 6904820), (52, 5576970), (56, 5178615), (60, 4833374), (65, 4461576), (70, 4142892), (78, 3717980), (84, 3452410), (91, 3186840), (104, 2788485), (105, 2761928), (120, 2416687), (130, 2230788), (140, 2071446), (156, 1858990), (168, 1726205), (182, 1593420), (195, 1487192), (210, 1380964), (260, 1115394), (273, 1062280), (280, 1035723), (312, 929495), (364, 796710), (390, 743596), (420, 690482), (455, 637368), (520, 557697), (546, 531140), (728, 398355), (780, 371798), (840, 345241), (910, 318684), (1092, 265570), (1365, 212456), (1560, 185899), (1820, 159342), (2184, 132785), (2730, 106228), (3640, 79671), (5460, 53114), (10920, 26557)]