172680020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{2399}}^1$

素因数の和:2528

約数の個数: 48

約数和(自身を含む): 374976000

約数和(自身を除く): 202295980

約数列:

[1, 2, 4, 5, 10, 20, 59, 61, 118, 122, 236, 244, 295, 305, 590, 610, 1180, 1220, 2399, 3599, 4798, 7198, 9596, 11995, 14396, 17995, 23990, 35990, 47980, 71980, 141541, 146339, 283082, 292678, 566164, 585356, 707705, 731695, 1415410, 1463390, 2830820, 2926780, 8634001, 17268002, 34536004, 43170005, 86340010, 172680020]

約数ペア:

[(1, 172680020), (2, 86340010), (4, 43170005), (5, 34536004), (10, 17268002), (20, 8634001), (59, 2926780), (61, 2830820), (118, 1463390), (122, 1415410), (236, 731695), (244, 707705), (295, 585356), (305, 566164), (590, 292678), (610, 283082), (1180, 146339), (1220, 141541), (2399, 71980), (3599, 47980), (4798, 35990), (7198, 23990), (9596, 17995), (11995, 14396)]