305388580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{7247}}^1$

素因数の和:7313

約数の個数: 72

約数和(自身を含む): 763475328

約数和(自身を除く): 458086748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 4214, 6020, 7247, 8428, 10535, 14494, 21070, 28988, 36235, 42140, 50729, 72470, 101458, 144940, 202916, 253645, 311621, 355103, 507290, 623242, 710206, 1014580, 1246484, 1420412, 1558105, 1775515, 2181347, 3116210, 3551030, 4362694, 6232420, 7102060, 8725388, 10906735, 15269429, 21813470, 30538858, 43626940, 61077716, 76347145, 152694290, 305388580]

約数ペア:

[(1, 305388580), (2, 152694290), (4, 76347145), (5, 61077716), (7, 43626940), (10, 30538858), (14, 21813470), (20, 15269429), (28, 10906735), (35, 8725388), (43, 7102060), (49, 6232420), (70, 4362694), (86, 3551030), (98, 3116210), (140, 2181347), (172, 1775515), (196, 1558105), (215, 1420412), (245, 1246484), (301, 1014580), (430, 710206), (490, 623242), (602, 507290), (860, 355103), (980, 311621), (1204, 253645), (1505, 202916), (2107, 144940), (3010, 101458), (4214, 72470), (6020, 50729), (7247, 42140), (8428, 36235), (10535, 28988), (14494, 21070)]