386794240

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{881}}^1$

素因数の和:923

約数の個数: 144

約数和(自身を含む): 1081684800

約数和(自身を除く): 694890560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 881, 896, 980, 1120, 1280, 1372, 1568, 1715, 1762, 1792, 1960, 2240, 2744, 3136, 3430, 3524, 3920, 4405, 4480, 5488, 6167, 6272, 6860, 7048, 7840, 8810, 8960, 10976, 12334, 12544, 13720, 14096, 15680, 17620, 21952, 24668, 27440, 28192, 30835, 31360, 35240, 43169, 43904, 49336, 54880, 56384, 61670, 62720, 70480, 86338, 87808, 98672, 109760, 112768, 123340, 140960, 172676, 197344, 215845, 219520, 225536, 246680, 281920, 302183, 345352, 394688, 431690, 439040, 493360, 563840, 604366, 690704, 789376, 863380, 986720, 1127680, 1208732, 1381408, 1510915, 1578752, 1726760, 1973440, 2417464, 2762816, 3021830, 3453520, 3946880, 4834928, 5525632, 6043660, 6907040, 7893760, 9669856, 11051264, 12087320, 13814080, 19339712, 24174640, 27628160, 38679424, 48349280, 55256320, 77358848, 96698560, 193397120, 386794240]

約数ペア:

[(1, 386794240), (2, 193397120), (4, 96698560), (5, 77358848), (7, 55256320), (8, 48349280), (10, 38679424), (14, 27628160), (16, 24174640), (20, 19339712), (28, 13814080), (32, 12087320), (35, 11051264), (40, 9669856), (49, 7893760), (56, 6907040), (64, 6043660), (70, 5525632), (80, 4834928), (98, 3946880), (112, 3453520), (128, 3021830), (140, 2762816), (160, 2417464), (196, 1973440), (224, 1726760), (245, 1578752), (256, 1510915), (280, 1381408), (320, 1208732), (343, 1127680), (392, 986720), (448, 863380), (490, 789376), (560, 690704), (640, 604366), (686, 563840), (784, 493360), (881, 439040), (896, 431690), (980, 394688), (1120, 345352), (1280, 302183), (1372, 281920), (1568, 246680), (1715, 225536), (1762, 219520), (1792, 215845), (1960, 197344), (2240, 172676), (2744, 140960), (3136, 123340), (3430, 112768), (3524, 109760), (3920, 98672), (4405, 87808), (4480, 86338), (5488, 70480), (6167, 62720), (6272, 61670), (6860, 56384), (7048, 54880), (7840, 49336), (8810, 43904), (8960, 43169), (10976, 35240), (12334, 31360), (12544, 30835), (13720, 28192), (14096, 27440), (15680, 24668), (17620, 21952)]