291245530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{179}}^1\times {\mathrm{563}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 560999520

約数和(自身を除く): 269753990

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 179, 289, 358, 563, 578, 895, 1126, 1445, 1790, 2815, 2890, 3043, 5630, 6086, 9571, 15215, 19142, 30430, 47855, 51731, 95710, 100777, 103462, 162707, 201554, 258655, 325414, 503885, 517310, 813535, 1007770, 1627070, 1713209, 3426418, 8566045, 17132090, 29124553, 58249106, 145622765, 291245530]

約数ペア:

[(1, 291245530), (2, 145622765), (5, 58249106), (10, 29124553), (17, 17132090), (34, 8566045), (85, 3426418), (170, 1713209), (179, 1627070), (289, 1007770), (358, 813535), (563, 517310), (578, 503885), (895, 325414), (1126, 258655), (1445, 201554), (1790, 162707), (2815, 103462), (2890, 100777), (3043, 95710), (5630, 51731), (6086, 47855), (9571, 30430), (15215, 19142)]