400188840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{196171}}^1$

素因数の和:196202

約数の個数: 64

約数和(自身を含む): 1271194560

約数和(自身を除く): 871005720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 196171, 392342, 588513, 784684, 980855, 1177026, 1569368, 1961710, 2354052, 2942565, 3334907, 3923420, 4708104, 5885130, 6669814, 7846840, 10004721, 11770260, 13339628, 16674535, 20009442, 23540520, 26679256, 33349070, 40018884, 50023605, 66698140, 80037768, 100047210, 133396280, 200094420, 400188840]

約数ペア:

[(1, 400188840), (2, 200094420), (3, 133396280), (4, 100047210), (5, 80037768), (6, 66698140), (8, 50023605), (10, 40018884), (12, 33349070), (15, 26679256), (17, 23540520), (20, 20009442), (24, 16674535), (30, 13339628), (34, 11770260), (40, 10004721), (51, 7846840), (60, 6669814), (68, 5885130), (85, 4708104), (102, 3923420), (120, 3334907), (136, 2942565), (170, 2354052), (204, 1961710), (255, 1569368), (340, 1177026), (408, 980855), (510, 784684), (680, 588513), (1020, 392342), (2040, 196171)]