870825650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 1745888256

約数和(自身を除く): 875062606

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 62, 71, 82, 142, 155, 193, 205, 310, 355, 386, 410, 710, 775, 965, 1025, 1271, 1550, 1775, 1930, 2050, 2201, 2542, 2911, 3550, 4402, 4825, 5822, 5983, 6355, 7913, 9650, 11005, 11966, 12710, 13703, 14555, 15826, 22010, 27406, 29110, 29915, 31775, 39565, 55025, 59830, 63550, 68515, 72775, 79130, 90241, 110050, 137030, 145550, 149575, 180482, 197825, 245303, 299150, 342575, 395650, 424793, 451205, 490606, 561823, 685150, 849586, 902410, 1123646, 1226515, 2123965, 2256025, 2453030, 2809115, 4247930, 4512050, 5618230, 6132575, 10619825, 12265150, 14045575, 17416513, 21239650, 28091150, 34833026, 87082565, 174165130, 435412825, 870825650]

約数ペア:

[(1, 870825650), (2, 435412825), (5, 174165130), (10, 87082565), (25, 34833026), (31, 28091150), (41, 21239650), (50, 17416513), (62, 14045575), (71, 12265150), (82, 10619825), (142, 6132575), (155, 5618230), (193, 4512050), (205, 4247930), (310, 2809115), (355, 2453030), (386, 2256025), (410, 2123965), (710, 1226515), (775, 1123646), (965, 902410), (1025, 849586), (1271, 685150), (1550, 561823), (1775, 490606), (1930, 451205), (2050, 424793), (2201, 395650), (2542, 342575), (2911, 299150), (3550, 245303), (4402, 197825), (4825, 180482), (5822, 149575), (5983, 145550), (6355, 137030), (7913, 110050), (9650, 90241), (11005, 79130), (11966, 72775), (12710, 68515), (13703, 63550), (14555, 59830), (15826, 55025), (22010, 39565), (27406, 31775), (29110, 29915)]