2900100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{1381}}^1$

素因数の和:1405

約数の個数: 72

約数和(自身を含む): 9596608

約数和(自身を除く): 6696508

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, 1381, 2100, 2762, 4143, 5524, 6905, 8286, 9667, 13810, 16572, 19334, 20715, 27620, 29001, 34525, 38668, 41430, 48335, 58002, 69050, 82860, 96670, 103575, 116004, 138100, 145005, 193340, 207150, 241675, 290010, 414300, 483350, 580020, 725025, 966700, 1450050, 2900100]

約数ペア:

[(1, 2900100), (2, 1450050), (3, 966700), (4, 725025), (5, 580020), (6, 483350), (7, 414300), (10, 290010), (12, 241675), (14, 207150), (15, 193340), (20, 145005), (21, 138100), (25, 116004), (28, 103575), (30, 96670), (35, 82860), (42, 69050), (50, 58002), (60, 48335), (70, 41430), (75, 38668), (84, 34525), (100, 29001), (105, 27620), (140, 20715), (150, 19334), (175, 16572), (210, 13810), (300, 9667), (350, 8286), (420, 6905), (525, 5524), (700, 4143), (1050, 2762), (1381, 2100)]