395280767680

素因数分解:

$2^6\times 5^1\times {\mathrm{397}}^1\times {\mathrm{491}}^1\times {\mathrm{6337}}^1$

素因数の和:7242

約数の個数: 112

約数和(自身を含む): 945704337696

約数和(自身を除く): 550423570016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 397, 491, 794, 982, 1588, 1964, 1985, 2455, 3176, 3928, 3970, 4910, 6337, 6352, 7856, 7940, 9820, 12674, 12704, 15712, 15880, 19640, 25348, 25408, 31424, 31685, 31760, 39280, 50696, 63370, 63520, 78560, 101392, 126740, 127040, 157120, 194927, 202784, 253480, 389854, 405568, 506960, 779708, 974635, 1013920, 1559416, 1949270, 2027840, 2515789, 3111467, 3118832, 3898540, 5031578, 6222934, 6237664, 7797080, 10063156, 12445868, 12475328, 12578945, 15557335, 15594160, 20126312, 24891736, 25157890, 31114670, 31188320, 40252624, 49783472, 50315780, 62229340, 62376640, 80505248, 99566944, 100631560, 124458680, 161010496, 199133888, 201263120, 248917360, 402526240, 497834720, 805052480, 995669440, 1235252399, 2470504798, 4941009596, 6176261995, 9882019192, 12352523990, 19764038384, 24705047980, 39528076768, 49410095960, 79056153536, 98820191920, 197640383840, 395280767680]

約数ペア:

[(1, 395280767680), (2, 197640383840), (4, 98820191920), (5, 79056153536), (8, 49410095960), (10, 39528076768), (16, 24705047980), (20, 19764038384), (32, 12352523990), (40, 9882019192), (64, 6176261995), (80, 4941009596), (160, 2470504798), (320, 1235252399), (397, 995669440), (491, 805052480), (794, 497834720), (982, 402526240), (1588, 248917360), (1964, 201263120), (1985, 199133888), (2455, 161010496), (3176, 124458680), (3928, 100631560), (3970, 99566944), (4910, 80505248), (6337, 62376640), (6352, 62229340), (7856, 50315780), (7940, 49783472), (9820, 40252624), (12674, 31188320), (12704, 31114670), (15712, 25157890), (15880, 24891736), (19640, 20126312), (25348, 15594160), (25408, 15557335), (31424, 12578945), (31685, 12475328), (31760, 12445868), (39280, 10063156), (50696, 7797080), (63370, 6237664), (63520, 6222934), (78560, 5031578), (101392, 3898540), (126740, 3118832), (127040, 3111467), (157120, 2515789), (194927, 2027840), (202784, 1949270), (253480, 1559416), (389854, 1013920), (405568, 974635), (506960, 779708)]