28740270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73693}}^1$

素因数の和:73716

約数の個数: 32

約数和(自身を含む): 74283552

約数和(自身を除く): 45543282

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 73693, 147386, 221079, 368465, 442158, 736930, 958009, 1105395, 1916018, 2210790, 2874027, 4790045, 5748054, 9580090, 14370135, 28740270]

約数ペア:

[(1, 28740270), (2, 14370135), (3, 9580090), (5, 5748054), (6, 4790045), (10, 2874027), (13, 2210790), (15, 1916018), (26, 1105395), (30, 958009), (39, 736930), (65, 442158), (78, 368465), (130, 221079), (195, 147386), (390, 73693)]