209755000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:507

約数の個数: 160

約数和(自身を含む): 606180960

約数和(自身を除く): 396425960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 125, 130, 140, 175, 182, 200, 250, 260, 280, 325, 350, 364, 455, 461, 500, 520, 625, 650, 700, 728, 875, 910, 922, 1000, 1250, 1300, 1400, 1625, 1750, 1820, 1844, 2275, 2305, 2500, 2600, 3227, 3250, 3500, 3640, 3688, 4375, 4550, 4610, 5000, 5993, 6454, 6500, 7000, 8125, 8750, 9100, 9220, 11375, 11525, 11986, 12908, 13000, 16135, 16250, 17500, 18200, 18440, 22750, 23050, 23972, 25816, 29965, 32270, 32500, 35000, 41951, 45500, 46100, 47944, 56875, 57625, 59930, 64540, 65000, 80675, 83902, 91000, 92200, 113750, 115250, 119860, 129080, 149825, 161350, 167804, 209755, 227500, 230500, 239720, 288125, 299650, 322700, 335608, 403375, 419510, 455000, 461000, 576250, 599300, 645400, 749125, 806750, 839020, 1048775, 1152500, 1198600, 1498250, 1613500, 1678040, 2016875, 2097550, 2305000, 2996500, 3227000, 3745625, 4033750, 4195100, 5243875, 5993000, 7491250, 8067500, 8390200, 10487750, 14982500, 16135000, 20975500, 26219375, 29965000, 41951000, 52438750, 104877500, 209755000]

約数ペア:

[(1, 209755000), (2, 104877500), (4, 52438750), (5, 41951000), (7, 29965000), (8, 26219375), (10, 20975500), (13, 16135000), (14, 14982500), (20, 10487750), (25, 8390200), (26, 8067500), (28, 7491250), (35, 5993000), (40, 5243875), (50, 4195100), (52, 4033750), (56, 3745625), (65, 3227000), (70, 2996500), (91, 2305000), (100, 2097550), (104, 2016875), (125, 1678040), (130, 1613500), (140, 1498250), (175, 1198600), (182, 1152500), (200, 1048775), (250, 839020), (260, 806750), (280, 749125), (325, 645400), (350, 599300), (364, 576250), (455, 461000), (461, 455000), (500, 419510), (520, 403375), (625, 335608), (650, 322700), (700, 299650), (728, 288125), (875, 239720), (910, 230500), (922, 227500), (1000, 209755), (1250, 167804), (1300, 161350), (1400, 149825), (1625, 129080), (1750, 119860), (1820, 115250), (1844, 113750), (2275, 92200), (2305, 91000), (2500, 83902), (2600, 80675), (3227, 65000), (3250, 64540), (3500, 59930), (3640, 57625), (3688, 56875), (4375, 47944), (4550, 46100), (4610, 45500), (5000, 41951), (5993, 35000), (6454, 32500), (6500, 32270), (7000, 29965), (8125, 25816), (8750, 23972), (9100, 23050), (9220, 22750), (11375, 18440), (11525, 18200), (11986, 17500), (12908, 16250), (13000, 16135)]