387563960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{81421}}^1$

素因数の和:81456

約数の個数: 64

約数和(自身を含む): 1055229120

約数和(自身を除く): 667665160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 81421, 162842, 325684, 407105, 569947, 651368, 814210, 1139894, 1384157, 1628420, 2279788, 2768314, 2849735, 3256840, 4559576, 5536628, 5699470, 6920785, 9689099, 11073256, 11398940, 13841570, 19378198, 22797880, 27683140, 38756396, 48445495, 55366280, 77512792, 96890990, 193781980, 387563960]

約数ペア:

[(1, 387563960), (2, 193781980), (4, 96890990), (5, 77512792), (7, 55366280), (8, 48445495), (10, 38756396), (14, 27683140), (17, 22797880), (20, 19378198), (28, 13841570), (34, 11398940), (35, 11073256), (40, 9689099), (56, 6920785), (68, 5699470), (70, 5536628), (85, 4559576), (119, 3256840), (136, 2849735), (140, 2768314), (170, 2279788), (238, 1628420), (280, 1384157), (340, 1139894), (476, 814210), (595, 651368), (680, 569947), (952, 407105), (1190, 325684), (2380, 162842), (4760, 81421)]