254179940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{16067}}^1$

素因数の和:16196

約数の個数: 48

約数和(自身を含む): 615468672

約数和(自身を除く): 361288732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 2260, 3164, 3955, 7910, 15820, 16067, 32134, 64268, 80335, 112469, 160670, 224938, 321340, 449876, 562345, 1124690, 1815571, 2249380, 3631142, 7262284, 9077855, 12708997, 18155710, 25417994, 36311420, 50835988, 63544985, 127089970, 254179940]

約数ペア:

[(1, 254179940), (2, 127089970), (4, 63544985), (5, 50835988), (7, 36311420), (10, 25417994), (14, 18155710), (20, 12708997), (28, 9077855), (35, 7262284), (70, 3631142), (113, 2249380), (140, 1815571), (226, 1124690), (452, 562345), (565, 449876), (791, 321340), (1130, 224938), (1582, 160670), (2260, 112469), (3164, 80335), (3955, 64268), (7910, 32134), (15820, 16067)]