39934300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:751

約数の個数: 72

約数和(自身を含む): 100306080

約数和(自身を除く): 60371780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 89, 100, 140, 175, 178, 350, 356, 445, 623, 641, 700, 890, 1246, 1282, 1780, 2225, 2492, 2564, 3115, 3205, 4450, 4487, 6230, 6410, 8900, 8974, 12460, 12820, 15575, 16025, 17948, 22435, 31150, 32050, 44870, 57049, 62300, 64100, 89740, 112175, 114098, 224350, 228196, 285245, 399343, 448700, 570490, 798686, 1140980, 1426225, 1597372, 1996715, 2852450, 3993430, 5704900, 7986860, 9983575, 19967150, 39934300]

約数ペア:

[(1, 39934300), (2, 19967150), (4, 9983575), (5, 7986860), (7, 5704900), (10, 3993430), (14, 2852450), (20, 1996715), (25, 1597372), (28, 1426225), (35, 1140980), (50, 798686), (70, 570490), (89, 448700), (100, 399343), (140, 285245), (175, 228196), (178, 224350), (350, 114098), (356, 112175), (445, 89740), (623, 64100), (641, 62300), (700, 57049), (890, 44870), (1246, 32050), (1282, 31150), (1780, 22435), (2225, 17948), (2492, 16025), (2564, 15575), (3115, 12820), (3205, 12460), (4450, 8974), (4487, 8900), (6230, 6410)]