713450740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{7723}}^1$

素因数の和:7912

約数の個数: 48

約数和(自身を含む): 1557158400

約数和(自身を除く): 843707660

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 596, 620, 745, 1490, 2980, 4619, 7723, 9238, 15446, 18476, 23095, 30892, 38615, 46190, 77230, 92380, 154460, 239413, 478826, 957652, 1150727, 1197065, 2301454, 2394130, 4602908, 4788260, 5753635, 11507270, 23014540, 35672537, 71345074, 142690148, 178362685, 356725370, 713450740]

約数ペア:

[(1, 713450740), (2, 356725370), (4, 178362685), (5, 142690148), (10, 71345074), (20, 35672537), (31, 23014540), (62, 11507270), (124, 5753635), (149, 4788260), (155, 4602908), (298, 2394130), (310, 2301454), (596, 1197065), (620, 1150727), (745, 957652), (1490, 478826), (2980, 239413), (4619, 154460), (7723, 92380), (9238, 77230), (15446, 46190), (18476, 38615), (23095, 30892)]