39685100

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 109368000

約数和(自身を除く): 69682900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 49, 50, 52, 65, 70, 89, 91, 98, 100, 130, 140, 175, 178, 182, 196, 245, 260, 325, 343, 350, 356, 364, 445, 455, 490, 623, 637, 650, 686, 700, 890, 910, 980, 1157, 1225, 1246, 1274, 1300, 1372, 1715, 1780, 1820, 2225, 2275, 2314, 2450, 2492, 2548, 3115, 3185, 3430, 4361, 4450, 4459, 4550, 4628, 4900, 5785, 6230, 6370, 6860, 8099, 8575, 8722, 8900, 8918, 9100, 11570, 12460, 12740, 15575, 15925, 16198, 17150, 17444, 17836, 21805, 22295, 23140, 28925, 30527, 31150, 31850, 32396, 34300, 40495, 43610, 44590, 56693, 57850, 61054, 62300, 63700, 80990, 87220, 89180, 109025, 111475, 113386, 115700, 122108, 152635, 161980, 202475, 218050, 222950, 226772, 283465, 305270, 396851, 404950, 436100, 445900, 566930, 610540, 763175, 793702, 809900, 1133860, 1417325, 1526350, 1587404, 1984255, 2834650, 3052700, 3968510, 5669300, 7937020, 9921275, 19842550, 39685100]

約数ペア:

[(1, 39685100), (2, 19842550), (4, 9921275), (5, 7937020), (7, 5669300), (10, 3968510), (13, 3052700), (14, 2834650), (20, 1984255), (25, 1587404), (26, 1526350), (28, 1417325), (35, 1133860), (49, 809900), (50, 793702), (52, 763175), (65, 610540), (70, 566930), (89, 445900), (91, 436100), (98, 404950), (100, 396851), (130, 305270), (140, 283465), (175, 226772), (178, 222950), (182, 218050), (196, 202475), (245, 161980), (260, 152635), (325, 122108), (343, 115700), (350, 113386), (356, 111475), (364, 109025), (445, 89180), (455, 87220), (490, 80990), (623, 63700), (637, 62300), (650, 61054), (686, 57850), (700, 56693), (890, 44590), (910, 43610), (980, 40495), (1157, 34300), (1225, 32396), (1246, 31850), (1274, 31150), (1300, 30527), (1372, 28925), (1715, 23140), (1780, 22295), (1820, 21805), (2225, 17836), (2275, 17444), (2314, 17150), (2450, 16198), (2492, 15925), (2548, 15575), (3115, 12740), (3185, 12460), (3430, 11570), (4361, 9100), (4450, 8918), (4459, 8900), (4550, 8722), (4628, 8575), (4900, 8099), (5785, 6860), (6230, 6370)]