397128840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{194671}}^1$

素因数の和:194702

約数の個数: 64

約数和(自身を含む): 1261474560

約数和(自身を除く): 864345720

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, 194671, 389342, 584013, 778684, 973355, 1168026, 1557368, 1946710, 2336052, 2920065, 3309407, 3893420, 4672104, 5840130, 6618814, 7786840, 9928221, 11680260, 13237628, 16547035, 19856442, 23360520, 26475256, 33094070, 39712884, 49641105, 66188140, 79425768, 99282210, 132376280, 198564420, 397128840]

約数ペア:

[(1, 397128840), (2, 198564420), (3, 132376280), (4, 99282210), (5, 79425768), (6, 66188140), (8, 49641105), (10, 39712884), (12, 33094070), (15, 26475256), (17, 23360520), (20, 19856442), (24, 16547035), (30, 13237628), (34, 11680260), (40, 9928221), (51, 7786840), (60, 6618814), (68, 5840130), (85, 4672104), (102, 3893420), (120, 3309407), (136, 2920065), (170, 2336052), (204, 1946710), (255, 1557368), (340, 1168026), (408, 973355), (510, 778684), (680, 584013), (1020, 389342), (2040, 194671)]