153498980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{247579}}^1$

素因数の和:247619

約数の個数: 24

約数和(自身を含む): 332747520

約数和(自身を除く): 179248540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 247579, 495158, 990316, 1237895, 2475790, 4951580, 7674949, 15349898, 30699796, 38374745, 76749490, 153498980]

約数ペア:

[(1, 153498980), (2, 76749490), (4, 38374745), (5, 30699796), (10, 15349898), (20, 7674949), (31, 4951580), (62, 2475790), (124, 1237895), (155, 990316), (310, 495158), (620, 247579)]