4158420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{9901}}^1$

素因数の和:9920

約数の個数: 48

約数和(自身を含む): 13308288

約数和(自身を除く): 9149868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 9901, 19802, 29703, 39604, 49505, 59406, 69307, 99010, 118812, 138614, 148515, 198020, 207921, 277228, 297030, 346535, 415842, 594060, 693070, 831684, 1039605, 1386140, 2079210, 4158420]

約数ペア:

[(1, 4158420), (2, 2079210), (3, 1386140), (4, 1039605), (5, 831684), (6, 693070), (7, 594060), (10, 415842), (12, 346535), (14, 297030), (15, 277228), (20, 207921), (21, 198020), (28, 148515), (30, 138614), (35, 118812), (42, 99010), (60, 69307), (70, 59406), (84, 49505), (105, 39604), (140, 29703), (210, 19802), (420, 9901)]