689969140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2213}}^1$

素因数の和:2377

約数の個数: 96

約数和(自身を含む): 1767515904

約数和(自身を除く): 1077546764

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 131, 140, 170, 238, 262, 340, 476, 524, 595, 655, 917, 1190, 1310, 1834, 2213, 2227, 2380, 2620, 3668, 4426, 4454, 4585, 8852, 8908, 9170, 11065, 11135, 15491, 15589, 18340, 22130, 22270, 30982, 31178, 37621, 44260, 44540, 61964, 62356, 75242, 77455, 77945, 150484, 154910, 155890, 188105, 263347, 289903, 309820, 311780, 376210, 526694, 579806, 752420, 1053388, 1159612, 1316735, 1449515, 2029321, 2633470, 2899030, 4058642, 4928351, 5266940, 5798060, 8117284, 9856702, 10146605, 19713404, 20293210, 24641755, 34498457, 40586420, 49283510, 68996914, 98567020, 137993828, 172492285, 344984570, 689969140]

約数ペア:

[(1, 689969140), (2, 344984570), (4, 172492285), (5, 137993828), (7, 98567020), (10, 68996914), (14, 49283510), (17, 40586420), (20, 34498457), (28, 24641755), (34, 20293210), (35, 19713404), (68, 10146605), (70, 9856702), (85, 8117284), (119, 5798060), (131, 5266940), (140, 4928351), (170, 4058642), (238, 2899030), (262, 2633470), (340, 2029321), (476, 1449515), (524, 1316735), (595, 1159612), (655, 1053388), (917, 752420), (1190, 579806), (1310, 526694), (1834, 376210), (2213, 311780), (2227, 309820), (2380, 289903), (2620, 263347), (3668, 188105), (4426, 155890), (4454, 154910), (4585, 150484), (8852, 77945), (8908, 77455), (9170, 75242), (11065, 62356), (11135, 61964), (15491, 44540), (15589, 44260), (18340, 37621), (22130, 31178), (22270, 30982)]