1420510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 3217536

約数和(自身を除く): 1797026

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 223, 245, 446, 455, 490, 637, 910, 1115, 1274, 1561, 2230, 2899, 3122, 3185, 5798, 6370, 7805, 10927, 14495, 15610, 20293, 21854, 28990, 40586, 54635, 101465, 109270, 142051, 202930, 284102, 710255, 1420510]

約数ペア:

[(1, 1420510), (2, 710255), (5, 284102), (7, 202930), (10, 142051), (13, 109270), (14, 101465), (26, 54635), (35, 40586), (49, 28990), (65, 21854), (70, 20293), (91, 15610), (98, 14495), (130, 10927), (182, 7805), (223, 6370), (245, 5798), (446, 3185), (455, 3122), (490, 2899), (637, 2230), (910, 1561), (1115, 1274)]