508661020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{117203}}^1$

素因数の和:117250

約数の個数: 48

約数和(自身を含む): 1260177408

約数和(自身を除く): 751516388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 117203, 234406, 468812, 586015, 820421, 1172030, 1640842, 2344060, 3281684, 3633293, 4102105, 7266586, 8204210, 14533172, 16408420, 18166465, 25433051, 36332930, 50866102, 72665860, 101732204, 127165255, 254330510, 508661020]

約数ペア:

[(1, 508661020), (2, 254330510), (4, 127165255), (5, 101732204), (7, 72665860), (10, 50866102), (14, 36332930), (20, 25433051), (28, 18166465), (31, 16408420), (35, 14533172), (62, 8204210), (70, 7266586), (124, 4102105), (140, 3633293), (155, 3281684), (217, 2344060), (310, 1640842), (434, 1172030), (620, 820421), (868, 586015), (1085, 468812), (2170, 234406), (4340, 117203)]