219067660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{22039}}^1$

素因数の和:22126

約数の個数: 48

約数和(自身を含む): 533191680

約数和(自身を除く): 314124020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 22039, 44078, 88156, 110195, 154273, 220390, 308546, 440780, 617092, 771365, 1542730, 1564769, 3085460, 3129538, 6259076, 7823845, 10953383, 15647690, 21906766, 31295380, 43813532, 54766915, 109533830, 219067660]

約数ペア:

[(1, 219067660), (2, 109533830), (4, 54766915), (5, 43813532), (7, 31295380), (10, 21906766), (14, 15647690), (20, 10953383), (28, 7823845), (35, 6259076), (70, 3129538), (71, 3085460), (140, 1564769), (142, 1542730), (284, 771365), (355, 617092), (497, 440780), (710, 308546), (994, 220390), (1420, 154273), (1988, 110195), (2485, 88156), (4970, 44078), (9940, 22039)]