61398940

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{853}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 133428960

約数和(自身を除く): 72030020

約数列:

[1, 2, 4, 5, 10, 20, 59, 61, 118, 122, 236, 244, 295, 305, 590, 610, 853, 1180, 1220, 1706, 3412, 3599, 4265, 7198, 8530, 14396, 17060, 17995, 35990, 50327, 52033, 71980, 100654, 104066, 201308, 208132, 251635, 260165, 503270, 520330, 1006540, 1040660, 3069947, 6139894, 12279788, 15349735, 30699470, 61398940]

約数ペア:

[(1, 61398940), (2, 30699470), (4, 15349735), (5, 12279788), (10, 6139894), (20, 3069947), (59, 1040660), (61, 1006540), (118, 520330), (122, 503270), (236, 260165), (244, 251635), (295, 208132), (305, 201308), (590, 104066), (610, 100654), (853, 71980), (1180, 52033), (1220, 50327), (1706, 35990), (3412, 17995), (3599, 17060), (4265, 14396), (7198, 8530)]