86589860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{593}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 213305400

約数和(自身を除く): 126715540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 298, 490, 593, 596, 745, 980, 1043, 1186, 1490, 2086, 2372, 2965, 2980, 4151, 4172, 5215, 5930, 7301, 8302, 10430, 11860, 14602, 16604, 20755, 20860, 29057, 29204, 36505, 41510, 58114, 73010, 83020, 88357, 116228, 145285, 146020, 176714, 290570, 353428, 441785, 581140, 618499, 883570, 1236998, 1767140, 2473996, 3092495, 4329493, 6184990, 8658986, 12369980, 17317972, 21647465, 43294930, 86589860]

約数ペア:

[(1, 86589860), (2, 43294930), (4, 21647465), (5, 17317972), (7, 12369980), (10, 8658986), (14, 6184990), (20, 4329493), (28, 3092495), (35, 2473996), (49, 1767140), (70, 1236998), (98, 883570), (140, 618499), (149, 581140), (196, 441785), (245, 353428), (298, 290570), (490, 176714), (593, 146020), (596, 145285), (745, 116228), (980, 88357), (1043, 83020), (1186, 73010), (1490, 58114), (2086, 41510), (2372, 36505), (2965, 29204), (2980, 29057), (4151, 20860), (4172, 20755), (5215, 16604), (5930, 14602), (7301, 11860), (8302, 10430)]