285428390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{95461}}^1$

素因数の和:95504

約数の個数: 32

約数和(自身を含む): 577354176

約数和(自身を除く): 291925786

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 95461, 190922, 477305, 954610, 1240993, 2195603, 2481986, 4391206, 6204965, 10978015, 12409930, 21956030, 28542839, 57085678, 142714195, 285428390]

約数ペア:

[(1, 285428390), (2, 142714195), (5, 57085678), (10, 28542839), (13, 21956030), (23, 12409930), (26, 10978015), (46, 6204965), (65, 4391206), (115, 2481986), (130, 2195603), (230, 1240993), (299, 954610), (598, 477305), (1495, 190922), (2990, 95461)]