2017521220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{705427}}^1$

素因数の和:705460

約数の個数: 48

約数和(自身を含む): 4977499968

約数和(自身を除く): 2959978748

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 705427, 1410854, 2821708, 3527135, 7054270, 7759697, 9170551, 14108540, 15519394, 18341102, 31038788, 36682204, 38798485, 45852755, 77596970, 91705510, 100876061, 155193940, 183411020, 201752122, 403504244, 504380305, 1008760610, 2017521220]

約数ペア:

[(1, 2017521220), (2, 1008760610), (4, 504380305), (5, 403504244), (10, 201752122), (11, 183411020), (13, 155193940), (20, 100876061), (22, 91705510), (26, 77596970), (44, 45852755), (52, 38798485), (55, 36682204), (65, 31038788), (110, 18341102), (130, 15519394), (143, 14108540), (220, 9170551), (260, 7759697), (286, 7054270), (572, 3527135), (715, 2821708), (1430, 1410854), (2860, 705427)]