1001721700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2297}}^1$

素因数の和:2414

約数の個数: 108

約数和(自身を含む): 2558156580

約数和(自身を除く): 1556434880

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 89, 98, 100, 140, 175, 178, 196, 245, 350, 356, 445, 490, 623, 700, 890, 980, 1225, 1246, 1780, 2225, 2297, 2450, 2492, 3115, 4361, 4450, 4594, 4900, 6230, 8722, 8900, 9188, 11485, 12460, 15575, 16079, 17444, 21805, 22970, 31150, 32158, 43610, 45940, 57425, 62300, 64316, 80395, 87220, 109025, 112553, 114850, 160790, 204433, 218050, 225106, 229700, 321580, 401975, 408866, 436100, 450212, 562765, 803950, 817732, 1022165, 1125530, 1431031, 1607900, 2044330, 2251060, 2813825, 2862062, 4088660, 5110825, 5627650, 5724124, 7155155, 10017217, 10221650, 11255300, 14310310, 20034434, 20443300, 28620620, 35775775, 40068868, 50086085, 71551550, 100172170, 143103100, 200344340, 250430425, 500860850, 1001721700]

約数ペア:

[(1, 1001721700), (2, 500860850), (4, 250430425), (5, 200344340), (7, 143103100), (10, 100172170), (14, 71551550), (20, 50086085), (25, 40068868), (28, 35775775), (35, 28620620), (49, 20443300), (50, 20034434), (70, 14310310), (89, 11255300), (98, 10221650), (100, 10017217), (140, 7155155), (175, 5724124), (178, 5627650), (196, 5110825), (245, 4088660), (350, 2862062), (356, 2813825), (445, 2251060), (490, 2044330), (623, 1607900), (700, 1431031), (890, 1125530), (980, 1022165), (1225, 817732), (1246, 803950), (1780, 562765), (2225, 450212), (2297, 436100), (2450, 408866), (2492, 401975), (3115, 321580), (4361, 229700), (4450, 225106), (4594, 218050), (4900, 204433), (6230, 160790), (8722, 114850), (8900, 112553), (9188, 109025), (11485, 87220), (12460, 80395), (15575, 64316), (16079, 62300), (17444, 57425), (21805, 45940), (22970, 43610), (31150, 32158)]