171607940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{39541}}^1$

素因数の和:39588

約数の個数: 48

約数和(自身を含む): 425155584

約数和(自身を除く): 253547644

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, 39541, 79082, 158164, 197705, 276787, 395410, 553574, 790820, 1107148, 1225771, 1383935, 2451542, 2767870, 4903084, 5535740, 6128855, 8580397, 12257710, 17160794, 24515420, 34321588, 42901985, 85803970, 171607940]

約数ペア:

[(1, 171607940), (2, 85803970), (4, 42901985), (5, 34321588), (7, 24515420), (10, 17160794), (14, 12257710), (20, 8580397), (28, 6128855), (31, 5535740), (35, 4903084), (62, 2767870), (70, 2451542), (124, 1383935), (140, 1225771), (155, 1107148), (217, 790820), (310, 553574), (434, 395410), (620, 276787), (868, 197705), (1085, 158164), (2170, 79082), (4340, 39541)]