129209820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^2$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 367986864

約数和(自身を除く): 238777044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 149, 194, 291, 298, 388, 447, 485, 582, 596, 745, 894, 970, 1164, 1455, 1490, 1788, 1940, 2235, 2910, 2980, 4470, 5820, 8940, 14453, 22201, 28906, 43359, 44402, 57812, 66603, 72265, 86718, 88804, 111005, 133206, 144530, 173436, 216795, 222010, 266412, 289060, 333015, 433590, 444020, 666030, 867180, 1332060, 2153497, 4306994, 6460491, 8613988, 10767485, 12920982, 21534970, 25841964, 32302455, 43069940, 64604910, 129209820]

約数ペア:

[(1, 129209820), (2, 64604910), (3, 43069940), (4, 32302455), (5, 25841964), (6, 21534970), (10, 12920982), (12, 10767485), (15, 8613988), (20, 6460491), (30, 4306994), (60, 2153497), (97, 1332060), (149, 867180), (194, 666030), (291, 444020), (298, 433590), (388, 333015), (447, 289060), (485, 266412), (582, 222010), (596, 216795), (745, 173436), (894, 144530), (970, 133206), (1164, 111005), (1455, 88804), (1490, 86718), (1788, 72265), (1940, 66603), (2235, 57812), (2910, 44402), (2980, 43359), (4470, 28906), (5820, 22201), (8940, 14453)]