197842920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2111}}^1$

素因数の和:2207

約数の個数: 128

約数和(自身を含む): 656916480

約数和(自身を除く): 459073560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 71, 88, 110, 120, 132, 142, 165, 213, 220, 264, 284, 330, 355, 426, 440, 568, 660, 710, 781, 852, 1065, 1320, 1420, 1562, 1704, 2111, 2130, 2343, 2840, 3124, 3905, 4222, 4260, 4686, 6248, 6333, 7810, 8444, 8520, 9372, 10555, 11715, 12666, 15620, 16888, 18744, 21110, 23221, 23430, 25332, 31240, 31665, 42220, 46442, 46860, 50664, 63330, 69663, 84440, 92884, 93720, 116105, 126660, 139326, 149881, 185768, 232210, 253320, 278652, 299762, 348315, 449643, 464420, 557304, 599524, 696630, 749405, 899286, 928840, 1199048, 1393260, 1498810, 1648691, 1798572, 2248215, 2786520, 2997620, 3297382, 3597144, 4496430, 4946073, 5995240, 6594764, 8243455, 8992860, 9892146, 13189528, 16486910, 17985720, 19784292, 24730365, 32973820, 39568584, 49460730, 65947640, 98921460, 197842920]

約数ペア:

[(1, 197842920), (2, 98921460), (3, 65947640), (4, 49460730), (5, 39568584), (6, 32973820), (8, 24730365), (10, 19784292), (11, 17985720), (12, 16486910), (15, 13189528), (20, 9892146), (22, 8992860), (24, 8243455), (30, 6594764), (33, 5995240), (40, 4946073), (44, 4496430), (55, 3597144), (60, 3297382), (66, 2997620), (71, 2786520), (88, 2248215), (110, 1798572), (120, 1648691), (132, 1498810), (142, 1393260), (165, 1199048), (213, 928840), (220, 899286), (264, 749405), (284, 696630), (330, 599524), (355, 557304), (426, 464420), (440, 449643), (568, 348315), (660, 299762), (710, 278652), (781, 253320), (852, 232210), (1065, 185768), (1320, 149881), (1420, 139326), (1562, 126660), (1704, 116105), (2111, 93720), (2130, 92884), (2343, 84440), (2840, 69663), (3124, 63330), (3905, 50664), (4222, 46860), (4260, 46442), (4686, 42220), (6248, 31665), (6333, 31240), (7810, 25332), (8444, 23430), (8520, 23221), (9372, 21110), (10555, 18744), (11715, 16888), (12666, 15620)]