89781580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 225533952

約数和(自身を除く): 135752372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 137, 140, 151, 155, 217, 274, 302, 310, 434, 548, 604, 620, 685, 755, 868, 959, 1057, 1085, 1370, 1510, 1918, 2114, 2170, 2740, 3020, 3836, 4228, 4247, 4340, 4681, 4795, 5285, 8494, 9362, 9590, 10570, 16988, 18724, 19180, 20687, 21140, 21235, 23405, 29729, 32767, 41374, 42470, 46810, 59458, 65534, 82748, 84940, 93620, 103435, 118916, 131068, 144809, 148645, 163835, 206870, 289618, 297290, 327670, 413740, 579236, 594580, 641297, 655340, 724045, 1282594, 1448090, 2565188, 2896180, 3206485, 4489079, 6412970, 8978158, 12825940, 17956316, 22445395, 44890790, 89781580]

約数ペア:

[(1, 89781580), (2, 44890790), (4, 22445395), (5, 17956316), (7, 12825940), (10, 8978158), (14, 6412970), (20, 4489079), (28, 3206485), (31, 2896180), (35, 2565188), (62, 1448090), (70, 1282594), (124, 724045), (137, 655340), (140, 641297), (151, 594580), (155, 579236), (217, 413740), (274, 327670), (302, 297290), (310, 289618), (434, 206870), (548, 163835), (604, 148645), (620, 144809), (685, 131068), (755, 118916), (868, 103435), (959, 93620), (1057, 84940), (1085, 82748), (1370, 65534), (1510, 59458), (1918, 46810), (2114, 42470), (2170, 41374), (2740, 32767), (3020, 29729), (3836, 23405), (4228, 21235), (4247, 21140), (4340, 20687), (4681, 19180), (4795, 18724), (5285, 16988), (8494, 10570), (9362, 9590)]