221737820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{599}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 474163200

約数和(自身を除く): 252425380

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 223, 332, 415, 446, 599, 830, 892, 1115, 1198, 1660, 2230, 2396, 2995, 4460, 5990, 11980, 18509, 37018, 49717, 74036, 92545, 99434, 133577, 185090, 198868, 248585, 267154, 370180, 497170, 534308, 667885, 994340, 1335770, 2671540, 11086891, 22173782, 44347564, 55434455, 110868910, 221737820]

約数ペア:

[(1, 221737820), (2, 110868910), (4, 55434455), (5, 44347564), (10, 22173782), (20, 11086891), (83, 2671540), (166, 1335770), (223, 994340), (332, 667885), (415, 534308), (446, 497170), (599, 370180), (830, 267154), (892, 248585), (1115, 198868), (1198, 185090), (1660, 133577), (2230, 99434), (2396, 92545), (2995, 74036), (4460, 49717), (5990, 37018), (11980, 18509)]