168134420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1593

約数の個数: 72

約数和(自身を含む): 395072160

約数和(自身を除く): 226937740

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 380, 578, 646, 1156, 1292, 1445, 1531, 1615, 2890, 3062, 3230, 5491, 5780, 6124, 6460, 7655, 10982, 15310, 21964, 26027, 27455, 29089, 30620, 52054, 54910, 58178, 104108, 109820, 116356, 130135, 145445, 260270, 290890, 442459, 494513, 520540, 581780, 884918, 989026, 1769836, 1978052, 2212295, 2472565, 4424590, 4945130, 8406721, 8849180, 9890260, 16813442, 33626884, 42033605, 84067210, 168134420]

約数ペア:

[(1, 168134420), (2, 84067210), (4, 42033605), (5, 33626884), (10, 16813442), (17, 9890260), (19, 8849180), (20, 8406721), (34, 4945130), (38, 4424590), (68, 2472565), (76, 2212295), (85, 1978052), (95, 1769836), (170, 989026), (190, 884918), (289, 581780), (323, 520540), (340, 494513), (380, 442459), (578, 290890), (646, 260270), (1156, 145445), (1292, 130135), (1445, 116356), (1531, 109820), (1615, 104108), (2890, 58178), (3062, 54910), (3230, 52054), (5491, 30620), (5780, 29089), (6124, 27455), (6460, 26027), (7655, 21964), (10982, 15310)]