861843710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:418

約数の個数: 128

約数和(自身を含む): 1994194944

約数和(自身を除く): 1132351234

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 137, 155, 182, 217, 223, 274, 310, 403, 434, 446, 455, 685, 806, 910, 959, 1085, 1115, 1370, 1561, 1781, 1918, 2015, 2170, 2230, 2821, 2899, 3122, 3562, 4030, 4247, 4795, 5642, 5798, 6913, 7805, 8494, 8905, 9590, 12467, 13826, 14105, 14495, 15610, 17810, 20293, 21235, 24934, 28210, 28990, 29729, 30551, 34565, 40586, 42470, 48391, 55211, 59458, 61102, 62335, 69130, 89869, 96782, 101465, 110422, 124670, 148645, 152755, 179738, 202930, 213857, 241955, 276055, 297290, 305510, 386477, 397163, 427714, 449345, 483910, 552110, 629083, 772954, 794326, 898690, 947081, 1069285, 1258166, 1894162, 1932385, 1985815, 2138570, 2780141, 3145415, 3864770, 3971630, 4735405, 5560282, 6290830, 6629567, 9470810, 12312053, 13259134, 13900705, 24624106, 27801410, 33147835, 61560265, 66295670, 86184371, 123120530, 172368742, 430921855, 861843710]

約数ペア:

[(1, 861843710), (2, 430921855), (5, 172368742), (7, 123120530), (10, 86184371), (13, 66295670), (14, 61560265), (26, 33147835), (31, 27801410), (35, 24624106), (62, 13900705), (65, 13259134), (70, 12312053), (91, 9470810), (130, 6629567), (137, 6290830), (155, 5560282), (182, 4735405), (217, 3971630), (223, 3864770), (274, 3145415), (310, 2780141), (403, 2138570), (434, 1985815), (446, 1932385), (455, 1894162), (685, 1258166), (806, 1069285), (910, 947081), (959, 898690), (1085, 794326), (1115, 772954), (1370, 629083), (1561, 552110), (1781, 483910), (1918, 449345), (2015, 427714), (2170, 397163), (2230, 386477), (2821, 305510), (2899, 297290), (3122, 276055), (3562, 241955), (4030, 213857), (4247, 202930), (4795, 179738), (5642, 152755), (5798, 148645), (6913, 124670), (7805, 110422), (8494, 101465), (8905, 96782), (9590, 89869), (12467, 69130), (13826, 62335), (14105, 61102), (14495, 59458), (15610, 55211), (17810, 48391), (20293, 42470), (21235, 40586), (24934, 34565), (28210, 30551), (28990, 29729)]