1331507980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{751}}^1\times {\mathrm{8059}}^1$

素因数の和:8830

約数の個数: 48

約数和(自身を含む): 3054804480

約数和(自身を除く): 1723296500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 751, 1502, 3004, 3755, 7510, 8059, 8261, 15020, 16118, 16522, 32236, 33044, 40295, 41305, 80590, 82610, 88649, 161180, 165220, 177298, 354596, 443245, 886490, 1772980, 6052309, 12104618, 24209236, 30261545, 60523090, 66575399, 121046180, 133150798, 266301596, 332876995, 665753990, 1331507980]

約数ペア:

[(1, 1331507980), (2, 665753990), (4, 332876995), (5, 266301596), (10, 133150798), (11, 121046180), (20, 66575399), (22, 60523090), (44, 30261545), (55, 24209236), (110, 12104618), (220, 6052309), (751, 1772980), (1502, 886490), (3004, 443245), (3755, 354596), (7510, 177298), (8059, 165220), (8261, 161180), (15020, 88649), (16118, 82610), (16522, 80590), (32236, 41305), (33044, 40295)]