71253290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 142884000

約数和(自身を除く): 71630710

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 97, 145, 149, 170, 194, 290, 298, 485, 493, 745, 970, 986, 1490, 1649, 2465, 2533, 2813, 3298, 4321, 4930, 5066, 5626, 8245, 8642, 12665, 14065, 14453, 16490, 21605, 25330, 28130, 28906, 43210, 47821, 72265, 73457, 95642, 144530, 146914, 239105, 245701, 367285, 419137, 478210, 491402, 734570, 838274, 1228505, 2095685, 2457010, 4191370, 7125329, 14250658, 35626645, 71253290]

約数ペア:

[(1, 71253290), (2, 35626645), (5, 14250658), (10, 7125329), (17, 4191370), (29, 2457010), (34, 2095685), (58, 1228505), (85, 838274), (97, 734570), (145, 491402), (149, 478210), (170, 419137), (194, 367285), (290, 245701), (298, 239105), (485, 146914), (493, 144530), (745, 95642), (970, 73457), (986, 72265), (1490, 47821), (1649, 43210), (2465, 28906), (2533, 28130), (2813, 25330), (3298, 21605), (4321, 16490), (4930, 14453), (5066, 14065), (5626, 12665), (8245, 8642)]