78229720

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^2\times {\mathrm{367}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 178947360

約数和(自身を除く): 100717640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 367, 584, 730, 734, 1460, 1468, 1835, 2920, 2936, 3670, 5329, 7340, 10658, 14680, 21316, 26645, 26791, 42632, 53290, 53582, 106580, 107164, 133955, 213160, 214328, 267910, 535820, 1071640, 1955743, 3911486, 7822972, 9778715, 15645944, 19557430, 39114860, 78229720]

約数ペア:

[(1, 78229720), (2, 39114860), (4, 19557430), (5, 15645944), (8, 9778715), (10, 7822972), (20, 3911486), (40, 1955743), (73, 1071640), (146, 535820), (292, 267910), (365, 214328), (367, 213160), (584, 133955), (730, 107164), (734, 106580), (1460, 53582), (1468, 53290), (1835, 42632), (2920, 26791), (2936, 26645), (3670, 21316), (5329, 14680), (7340, 10658)]