196238440

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{23251}}^1$

素因数の和:23473

約数の個数: 32

約数和(自身を含む): 443648160

約数和(自身を除く): 247409720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 23251, 46502, 93004, 116255, 186008, 232510, 465020, 930040, 4905961, 9811922, 19623844, 24529805, 39247688, 49059610, 98119220, 196238440]

約数ペア:

[(1, 196238440), (2, 98119220), (4, 49059610), (5, 39247688), (8, 24529805), (10, 19623844), (20, 9811922), (40, 4905961), (211, 930040), (422, 465020), (844, 232510), (1055, 186008), (1688, 116255), (2110, 93004), (4220, 46502), (8440, 23251)]