221524760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{787}}^1$

素因数の和:1056

約数の個数: 64

約数和(自身を含む): 517432320

約数和(自身を除く): 295907560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 227, 248, 310, 454, 620, 787, 908, 1135, 1240, 1574, 1816, 2270, 3148, 3935, 4540, 6296, 7037, 7870, 9080, 14074, 15740, 24397, 28148, 31480, 35185, 48794, 56296, 70370, 97588, 121985, 140740, 178649, 195176, 243970, 281480, 357298, 487940, 714596, 893245, 975880, 1429192, 1786490, 3572980, 5538119, 7145960, 11076238, 22152476, 27690595, 44304952, 55381190, 110762380, 221524760]

約数ペア:

[(1, 221524760), (2, 110762380), (4, 55381190), (5, 44304952), (8, 27690595), (10, 22152476), (20, 11076238), (31, 7145960), (40, 5538119), (62, 3572980), (124, 1786490), (155, 1429192), (227, 975880), (248, 893245), (310, 714596), (454, 487940), (620, 357298), (787, 281480), (908, 243970), (1135, 195176), (1240, 178649), (1574, 140740), (1816, 121985), (2270, 97588), (3148, 70370), (3935, 56296), (4540, 48794), (6296, 35185), (7037, 31480), (7870, 28148), (9080, 24397), (14074, 15740)]