17254420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 20847980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 419, 580, 710, 838, 1420, 1676, 2059, 2095, 4118, 4190, 8236, 8380, 10295, 12151, 20590, 24302, 29749, 41180, 48604, 59498, 60755, 118996, 121510, 148745, 243020, 297490, 594980, 862721, 1725442, 3450884, 4313605, 8627210, 17254420]

約数ペア:

[(1, 17254420), (2, 8627210), (4, 4313605), (5, 3450884), (10, 1725442), (20, 862721), (29, 594980), (58, 297490), (71, 243020), (116, 148745), (142, 121510), (145, 118996), (284, 60755), (290, 59498), (355, 48604), (419, 41180), (580, 29749), (710, 24302), (838, 20590), (1420, 12151), (1676, 10295), (2059, 8380), (2095, 8236), (4118, 4190)]