305888100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{145661}}^1$

素因数の和:145685

約数の個数: 72

約数和(自身を含む): 1011476928

約数和(自身を除く): 705588828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 145661, 291322, 436983, 582644, 728305, 873966, 1019627, 1456610, 1747932, 2039254, 2184915, 2913220, 3058881, 3641525, 4078508, 4369830, 5098135, 6117762, 7283050, 8739660, 10196270, 10924575, 12235524, 14566100, 15294405, 20392540, 21849150, 25490675, 30588810, 43698300, 50981350, 61177620, 76472025, 101962700, 152944050, 305888100]

約数ペア:

[(1, 305888100), (2, 152944050), (3, 101962700), (4, 76472025), (5, 61177620), (6, 50981350), (7, 43698300), (10, 30588810), (12, 25490675), (14, 21849150), (15, 20392540), (20, 15294405), (21, 14566100), (25, 12235524), (28, 10924575), (30, 10196270), (35, 8739660), (42, 7283050), (50, 6117762), (60, 5098135), (70, 4369830), (75, 4078508), (84, 3641525), (100, 3058881), (105, 2913220), (140, 2184915), (150, 2039254), (175, 1747932), (210, 1456610), (300, 1019627), (350, 873966), (420, 728305), (525, 582644), (700, 436983), (1050, 291322), (2100, 145661)]