154490920

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{29483}}^1$

素因数の和:29625

約数の個数: 32

約数和(自身を含む): 350269920

約数和(自身を除く): 195779000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 29483, 58966, 117932, 147415, 235864, 294830, 589660, 1179320, 3862273, 7724546, 15449092, 19311365, 30898184, 38622730, 77245460, 154490920]

約数ペア:

[(1, 154490920), (2, 77245460), (4, 38622730), (5, 30898184), (8, 19311365), (10, 15449092), (20, 7724546), (40, 3862273), (131, 1179320), (262, 589660), (524, 294830), (655, 235864), (1048, 147415), (1310, 117932), (2620, 58966), (5240, 29483)]