159690020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{3467}}^1$

素因数の和:3537

約数の個数: 72

約数和(自身を含む): 398514816

約数和(自身を除く): 238824796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1316, 1645, 2303, 3290, 3467, 4606, 6580, 6934, 9212, 11515, 13868, 17335, 23030, 24269, 34670, 46060, 48538, 69340, 97076, 121345, 162949, 169883, 242690, 325898, 339766, 485380, 651796, 679532, 814745, 849415, 1140643, 1629490, 1698830, 2281286, 3258980, 3397660, 4562572, 5703215, 7984501, 11406430, 15969002, 22812860, 31938004, 39922505, 79845010, 159690020]

約数ペア:

[(1, 159690020), (2, 79845010), (4, 39922505), (5, 31938004), (7, 22812860), (10, 15969002), (14, 11406430), (20, 7984501), (28, 5703215), (35, 4562572), (47, 3397660), (49, 3258980), (70, 2281286), (94, 1698830), (98, 1629490), (140, 1140643), (188, 849415), (196, 814745), (235, 679532), (245, 651796), (329, 485380), (470, 339766), (490, 325898), (658, 242690), (940, 169883), (980, 162949), (1316, 121345), (1645, 97076), (2303, 69340), (3290, 48538), (3467, 46060), (4606, 34670), (6580, 24269), (6934, 23030), (9212, 17335), (11515, 13868)]