31219850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:647

約数の個数: 48

約数和(自身を含む): 62272800

約数和(自身を除く): 31052950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 59, 95, 118, 190, 295, 475, 557, 590, 950, 1114, 1121, 1475, 2242, 2785, 2950, 5570, 5605, 10583, 11210, 13925, 21166, 27850, 28025, 32863, 52915, 56050, 65726, 105830, 164315, 264575, 328630, 529150, 624397, 821575, 1248794, 1643150, 3121985, 6243970, 15609925, 31219850]

約数ペア:

[(1, 31219850), (2, 15609925), (5, 6243970), (10, 3121985), (19, 1643150), (25, 1248794), (38, 821575), (50, 624397), (59, 529150), (95, 328630), (118, 264575), (190, 164315), (295, 105830), (475, 65726), (557, 56050), (590, 52915), (950, 32863), (1114, 28025), (1121, 27850), (1475, 21166), (2242, 13925), (2785, 11210), (2950, 10583), (5570, 5605)]