217287200

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1229}}^1$

素因数の和:1279

約数の個数: 144

約数和(自身を含む): 605351880

約数和(自身を除く): 388064680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 32, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 130, 136, 160, 170, 200, 208, 221, 260, 272, 325, 340, 400, 416, 425, 442, 520, 544, 650, 680, 800, 850, 884, 1040, 1105, 1229, 1300, 1360, 1700, 1768, 2080, 2210, 2458, 2600, 2720, 3400, 3536, 4420, 4916, 5200, 5525, 6145, 6800, 7072, 8840, 9832, 10400, 11050, 12290, 13600, 15977, 17680, 19664, 20893, 22100, 24580, 30725, 31954, 35360, 39328, 41786, 44200, 49160, 61450, 63908, 79885, 83572, 88400, 98320, 104465, 122900, 127816, 159770, 167144, 176800, 196640, 208930, 245800, 255632, 271609, 319540, 334288, 399425, 417860, 491600, 511264, 522325, 543218, 639080, 668576, 798850, 835720, 983200, 1044650, 1086436, 1278160, 1358045, 1597700, 1671440, 2089300, 2172872, 2556320, 2716090, 3195400, 3342880, 4178600, 4345744, 5432180, 6390800, 6790225, 8357200, 8691488, 10864360, 12781600, 13580450, 16714400, 21728720, 27160900, 43457440, 54321800, 108643600, 217287200]

約数ペア:

[(1, 217287200), (2, 108643600), (4, 54321800), (5, 43457440), (8, 27160900), (10, 21728720), (13, 16714400), (16, 13580450), (17, 12781600), (20, 10864360), (25, 8691488), (26, 8357200), (32, 6790225), (34, 6390800), (40, 5432180), (50, 4345744), (52, 4178600), (65, 3342880), (68, 3195400), (80, 2716090), (85, 2556320), (100, 2172872), (104, 2089300), (130, 1671440), (136, 1597700), (160, 1358045), (170, 1278160), (200, 1086436), (208, 1044650), (221, 983200), (260, 835720), (272, 798850), (325, 668576), (340, 639080), (400, 543218), (416, 522325), (425, 511264), (442, 491600), (520, 417860), (544, 399425), (650, 334288), (680, 319540), (800, 271609), (850, 255632), (884, 245800), (1040, 208930), (1105, 196640), (1229, 176800), (1300, 167144), (1360, 159770), (1700, 127816), (1768, 122900), (2080, 104465), (2210, 98320), (2458, 88400), (2600, 83572), (2720, 79885), (3400, 63908), (3536, 61450), (4420, 49160), (4916, 44200), (5200, 41786), (5525, 39328), (6145, 35360), (6800, 31954), (7072, 30725), (8840, 24580), (9832, 22100), (10400, 20893), (11050, 19664), (12290, 17680), (13600, 15977)]