289121820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{28513}}^1$

素因数の和:28551

約数の個数: 72

約数和(自身を含む): 876634416

約数和(自身を除く): 587512596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 10140, 28513, 57026, 85539, 114052, 142565, 171078, 285130, 342156, 370669, 427695, 570260, 741338, 855390, 1112007, 1482676, 1710780, 1853345, 2224014, 3706690, 4448028, 4818697, 5560035, 7413380, 9637394, 11120070, 14456091, 19274788, 22240140, 24093485, 28912182, 48186970, 57824364, 72280455, 96373940, 144560910, 289121820]

約数ペア:

[(1, 289121820), (2, 144560910), (3, 96373940), (4, 72280455), (5, 57824364), (6, 48186970), (10, 28912182), (12, 24093485), (13, 22240140), (15, 19274788), (20, 14456091), (26, 11120070), (30, 9637394), (39, 7413380), (52, 5560035), (60, 4818697), (65, 4448028), (78, 3706690), (130, 2224014), (156, 1853345), (169, 1710780), (195, 1482676), (260, 1112007), (338, 855390), (390, 741338), (507, 570260), (676, 427695), (780, 370669), (845, 342156), (1014, 285130), (1690, 171078), (2028, 142565), (2535, 114052), (3380, 85539), (5070, 57026), (10140, 28513)]