384720880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{619}}^1$

素因数の和:1106

約数の個数: 80

約数和(自身を含む): 950698080

約数和(自身を除く): 565977200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 457, 619, 680, 914, 1238, 1360, 1828, 2285, 2476, 3095, 3656, 4570, 4952, 6190, 7312, 7769, 9140, 9904, 10523, 12380, 15538, 18280, 21046, 24760, 31076, 36560, 38845, 42092, 49520, 52615, 62152, 77690, 84184, 105230, 124304, 155380, 168368, 210460, 282883, 310760, 420920, 565766, 621520, 841840, 1131532, 1414415, 2263064, 2828830, 4526128, 4809011, 5657660, 9618022, 11315320, 19236044, 22630640, 24045055, 38472088, 48090110, 76944176, 96180220, 192360440, 384720880]

約数ペア:

[(1, 384720880), (2, 192360440), (4, 96180220), (5, 76944176), (8, 48090110), (10, 38472088), (16, 24045055), (17, 22630640), (20, 19236044), (34, 11315320), (40, 9618022), (68, 5657660), (80, 4809011), (85, 4526128), (136, 2828830), (170, 2263064), (272, 1414415), (340, 1131532), (457, 841840), (619, 621520), (680, 565766), (914, 420920), (1238, 310760), (1360, 282883), (1828, 210460), (2285, 168368), (2476, 155380), (3095, 124304), (3656, 105230), (4570, 84184), (4952, 77690), (6190, 62152), (7312, 52615), (7769, 49520), (9140, 42092), (9904, 38845), (10523, 36560), (12380, 31076), (15538, 24760), (18280, 21046)]