208057970

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{1489}}^1$

素因数の和:1742

約数の個数: 32

約数和(自身を含む): 381380400

約数和(自身を除く): 173322430

約数列:

[1, 2, 5, 10, 89, 157, 178, 314, 445, 785, 890, 1489, 1570, 2978, 7445, 13973, 14890, 27946, 69865, 132521, 139730, 233773, 265042, 467546, 662605, 1168865, 1325210, 2337730, 20805797, 41611594, 104028985, 208057970]

約数ペア:

[(1, 208057970), (2, 104028985), (5, 41611594), (10, 20805797), (89, 2337730), (157, 1325210), (178, 1168865), (314, 662605), (445, 467546), (785, 265042), (890, 233773), (1489, 139730), (1570, 132521), (2978, 69865), (7445, 27946), (13973, 14890)]