105840740

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 226437120

約数和(自身を除く): 120596380

約数列:

[1, 2, 4, 5, 10, 20, 103, 191, 206, 269, 382, 412, 515, 538, 764, 955, 1030, 1076, 1345, 1910, 2060, 2690, 3820, 5380, 19673, 27707, 39346, 51379, 55414, 78692, 98365, 102758, 110828, 138535, 196730, 205516, 256895, 277070, 393460, 513790, 554140, 1027580, 5292037, 10584074, 21168148, 26460185, 52920370, 105840740]

約数ペア:

[(1, 105840740), (2, 52920370), (4, 26460185), (5, 21168148), (10, 10584074), (20, 5292037), (103, 1027580), (191, 554140), (206, 513790), (269, 393460), (382, 277070), (412, 256895), (515, 205516), (538, 196730), (764, 138535), (955, 110828), (1030, 102758), (1076, 98365), (1345, 78692), (1910, 55414), (2060, 51379), (2690, 39346), (3820, 27707), (5380, 19673)]