156977660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{65957}}^1$

素因数の和:65990

約数の個数: 48

約数和(自身を含む): 398913984

約数和(自身を除く): 241936324

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 65957, 131914, 263828, 329785, 461699, 659570, 923398, 1121269, 1319140, 1846796, 2242538, 2308495, 4485076, 4616990, 5606345, 7848883, 9233980, 11212690, 15697766, 22425380, 31395532, 39244415, 78488830, 156977660]

約数ペア:

[(1, 156977660), (2, 78488830), (4, 39244415), (5, 31395532), (7, 22425380), (10, 15697766), (14, 11212690), (17, 9233980), (20, 7848883), (28, 5606345), (34, 4616990), (35, 4485076), (68, 2308495), (70, 2242538), (85, 1846796), (119, 1319140), (140, 1121269), (170, 923398), (238, 659570), (340, 461699), (476, 329785), (595, 263828), (1190, 131914), (2380, 65957)]