263171090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:568

約数の個数: 128

約数和(自身を含む): 634798080

約数和(自身を除く): 371626990

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 31, 35, 38, 62, 65, 70, 91, 95, 130, 133, 155, 182, 190, 217, 247, 266, 310, 403, 434, 455, 491, 494, 589, 665, 806, 910, 982, 1085, 1178, 1235, 1330, 1729, 2015, 2170, 2455, 2470, 2821, 2945, 3437, 3458, 4030, 4123, 4910, 5642, 5890, 6383, 6874, 7657, 8246, 8645, 9329, 12766, 14105, 15221, 15314, 17185, 17290, 18658, 20615, 28210, 30442, 31915, 34370, 38285, 41230, 44681, 46645, 53599, 63830, 65303, 76105, 76570, 89362, 93290, 106547, 107198, 121277, 130606, 152210, 197873, 213094, 223405, 242554, 267995, 289199, 326515, 395746, 446810, 532735, 535990, 578398, 606385, 653030, 848939, 989365, 1065470, 1212770, 1385111, 1445995, 1697878, 1978730, 2024393, 2770222, 2891990, 3759587, 4048786, 4244695, 6925555, 7519174, 8489390, 10121965, 13851110, 18797935, 20243930, 26317109, 37595870, 52634218, 131585545, 263171090]

約数ペア:

[(1, 263171090), (2, 131585545), (5, 52634218), (7, 37595870), (10, 26317109), (13, 20243930), (14, 18797935), (19, 13851110), (26, 10121965), (31, 8489390), (35, 7519174), (38, 6925555), (62, 4244695), (65, 4048786), (70, 3759587), (91, 2891990), (95, 2770222), (130, 2024393), (133, 1978730), (155, 1697878), (182, 1445995), (190, 1385111), (217, 1212770), (247, 1065470), (266, 989365), (310, 848939), (403, 653030), (434, 606385), (455, 578398), (491, 535990), (494, 532735), (589, 446810), (665, 395746), (806, 326515), (910, 289199), (982, 267995), (1085, 242554), (1178, 223405), (1235, 213094), (1330, 197873), (1729, 152210), (2015, 130606), (2170, 121277), (2455, 107198), (2470, 106547), (2821, 93290), (2945, 89362), (3437, 76570), (3458, 76105), (4030, 65303), (4123, 63830), (4910, 53599), (5642, 46645), (5890, 44681), (6383, 41230), (6874, 38285), (7657, 34370), (8246, 31915), (8645, 30442), (9329, 28210), (12766, 20615), (14105, 18658), (15221, 17290), (15314, 17185)]