145403020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{33503}}^1$

素因数の和:33550

約数の個数: 48

約数和(自身を含む): 360235008

約数和(自身を除く): 214831988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 33503, 67006, 134012, 167515, 234521, 335030, 469042, 670060, 938084, 1038593, 1172605, 2077186, 2345210, 4154372, 4690420, 5192965, 7270151, 10385930, 14540302, 20771860, 29080604, 36350755, 72701510, 145403020]

約数ペア:

[(1, 145403020), (2, 72701510), (4, 36350755), (5, 29080604), (7, 20771860), (10, 14540302), (14, 10385930), (20, 7270151), (28, 5192965), (31, 4690420), (35, 4154372), (62, 2345210), (70, 2077186), (124, 1172605), (140, 1038593), (155, 938084), (217, 670060), (310, 469042), (434, 335030), (620, 234521), (868, 167515), (1085, 134012), (2170, 67006), (4340, 33503)]