28739910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22279}}^1$

素因数の和:22332

約数の個数: 32

約数和(自身を含む): 70583040

約数和(自身を除く): 41843130

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 22279, 44558, 66837, 111395, 133674, 222790, 334185, 668370, 957997, 1915994, 2873991, 4789985, 5747982, 9579970, 14369955, 28739910]

約数ペア:

[(1, 28739910), (2, 14369955), (3, 9579970), (5, 5747982), (6, 4789985), (10, 2873991), (15, 1915994), (30, 957997), (43, 668370), (86, 334185), (129, 222790), (215, 133674), (258, 111395), (430, 66837), (645, 44558), (1290, 22279)]