158963980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{1723}}^1$

素因数の和:2398

約数の個数: 48

約数和(自身を含む): 382314240

約数和(自身を除く): 223350260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 659, 1318, 1723, 2636, 3295, 3446, 4613, 6590, 6892, 8615, 9226, 12061, 13180, 17230, 18452, 23065, 24122, 34460, 46130, 48244, 60305, 92260, 120610, 241220, 1135457, 2270914, 4541828, 5677285, 7948199, 11354570, 15896398, 22709140, 31792796, 39740995, 79481990, 158963980]

約数ペア:

[(1, 158963980), (2, 79481990), (4, 39740995), (5, 31792796), (7, 22709140), (10, 15896398), (14, 11354570), (20, 7948199), (28, 5677285), (35, 4541828), (70, 2270914), (140, 1135457), (659, 241220), (1318, 120610), (1723, 92260), (2636, 60305), (3295, 48244), (3446, 46130), (4613, 34460), (6590, 24122), (6892, 23065), (8615, 18452), (9226, 17230), (12061, 13180)]