221474120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{112997}}^1$

素因数の和:113022

約数の個数: 48

約数和(自身を含む): 579679740

約数和(自身を除く): 358205620

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 112997, 225994, 451988, 564985, 790979, 903976, 1129970, 1581958, 2259940, 3163916, 3954895, 4519880, 5536853, 6327832, 7909790, 11073706, 15819580, 22147412, 27684265, 31639160, 44294824, 55368530, 110737060, 221474120]

約数ペア:

[(1, 221474120), (2, 110737060), (4, 55368530), (5, 44294824), (7, 31639160), (8, 27684265), (10, 22147412), (14, 15819580), (20, 11073706), (28, 7909790), (35, 6327832), (40, 5536853), (49, 4519880), (56, 3954895), (70, 3163916), (98, 2259940), (140, 1581958), (196, 1129970), (245, 903976), (280, 790979), (392, 564985), (490, 451988), (980, 225994), (1960, 112997)]