402469940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{467}}^1\times {\mathrm{1051}}^1$

素因数の和:1568

約数の個数: 48

約数和(自身を含む): 868480704

約数和(自身を除く): 466010764

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 467, 820, 934, 1051, 1868, 2102, 2335, 4204, 4670, 5255, 9340, 10510, 19147, 21020, 38294, 43091, 76588, 86182, 95735, 172364, 191470, 215455, 382940, 430910, 490817, 861820, 981634, 1963268, 2454085, 4908170, 9816340, 20123497, 40246994, 80493988, 100617485, 201234970, 402469940]

約数ペア:

[(1, 402469940), (2, 201234970), (4, 100617485), (5, 80493988), (10, 40246994), (20, 20123497), (41, 9816340), (82, 4908170), (164, 2454085), (205, 1963268), (410, 981634), (467, 861820), (820, 490817), (934, 430910), (1051, 382940), (1868, 215455), (2102, 191470), (2335, 172364), (4204, 95735), (4670, 86182), (5255, 76588), (9340, 43091), (10510, 38294), (19147, 21020)]