1779746980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{132619}}^1$

素因数の和:132700

約数の個数: 48

約数和(自身を含む): 4144109760

約数和(自身を除く): 2364362780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 132619, 265238, 530476, 663095, 1326190, 1458809, 2652380, 2917618, 5835236, 7294045, 8089759, 14588090, 16179518, 29176180, 32359036, 40448795, 80897590, 88987349, 161795180, 177974698, 355949396, 444936745, 889873490, 1779746980]

約数ペア:

[(1, 1779746980), (2, 889873490), (4, 444936745), (5, 355949396), (10, 177974698), (11, 161795180), (20, 88987349), (22, 80897590), (44, 40448795), (55, 32359036), (61, 29176180), (110, 16179518), (122, 14588090), (220, 8089759), (244, 7294045), (305, 5835236), (610, 2917618), (671, 2652380), (1220, 1458809), (1342, 1326190), (2684, 663095), (3355, 530476), (6710, 265238), (13420, 132619)]