220176940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{4423}}^1$

素因数の和:4582

約数の個数: 48

約数和(自身を含む): 490533120

約数和(自身を除く): 270356180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1310, 2489, 2620, 4423, 4978, 8846, 9956, 12445, 17692, 22115, 24890, 44230, 49780, 84037, 88460, 168074, 336148, 420185, 579413, 840370, 1158826, 1680740, 2317652, 2897065, 5794130, 11008847, 11588260, 22017694, 44035388, 55044235, 110088470, 220176940]

約数ペア:

[(1, 220176940), (2, 110088470), (4, 55044235), (5, 44035388), (10, 22017694), (19, 11588260), (20, 11008847), (38, 5794130), (76, 2897065), (95, 2317652), (131, 1680740), (190, 1158826), (262, 840370), (380, 579413), (524, 420185), (655, 336148), (1310, 168074), (2489, 88460), (2620, 84037), (4423, 49780), (4978, 44230), (8846, 24890), (9956, 22115), (12445, 17692)]