1378390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 2794176

約数和(自身を除く): 1415786

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 461, 598, 922, 1495, 2305, 2990, 4610, 5993, 10603, 11986, 21206, 29965, 53015, 59930, 106030, 137839, 275678, 689195, 1378390]

約数ペア:

[(1, 1378390), (2, 689195), (5, 275678), (10, 137839), (13, 106030), (23, 59930), (26, 53015), (46, 29965), (65, 21206), (115, 11986), (130, 10603), (230, 5993), (299, 4610), (461, 2990), (598, 2305), (922, 1495)]