2251890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:335

約数の個数: 48

約数和(自身を含む): 5930496

約数和(自身を除く): 3678606

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 191, 262, 382, 393, 573, 655, 786, 955, 1146, 1179, 1310, 1719, 1910, 1965, 2358, 2865, 3438, 3930, 5730, 5895, 8595, 11790, 17190, 25021, 50042, 75063, 125105, 150126, 225189, 250210, 375315, 450378, 750630, 1125945, 2251890]

約数ペア:

[(1, 2251890), (2, 1125945), (3, 750630), (5, 450378), (6, 375315), (9, 250210), (10, 225189), (15, 150126), (18, 125105), (30, 75063), (45, 50042), (90, 25021), (131, 17190), (191, 11790), (262, 8595), (382, 5895), (393, 5730), (573, 3930), (655, 3438), (786, 2865), (955, 2358), (1146, 1965), (1179, 1910), (1310, 1719)]