72224140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{797}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 159268032

約数和(自身を除く): 87043892

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 197, 230, 394, 460, 788, 797, 985, 1594, 1970, 3188, 3940, 3985, 4531, 7970, 9062, 15940, 18124, 18331, 22655, 36662, 45310, 73324, 90620, 91655, 157009, 183310, 314018, 366620, 628036, 785045, 1570090, 3140180, 3611207, 7222414, 14444828, 18056035, 36112070, 72224140]

約数ペア:

[(1, 72224140), (2, 36112070), (4, 18056035), (5, 14444828), (10, 7222414), (20, 3611207), (23, 3140180), (46, 1570090), (92, 785045), (115, 628036), (197, 366620), (230, 314018), (394, 183310), (460, 157009), (788, 91655), (797, 90620), (985, 73324), (1594, 45310), (1970, 36662), (3188, 22655), (3940, 18331), (3985, 18124), (4531, 15940), (7970, 9062)]