215512400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{773}}^1$

素因数の和:849

約数の個数: 120

約数和(自身を含む): 562323384

約数和(自身を除く): 346810984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 41, 50, 68, 80, 82, 85, 100, 136, 164, 170, 200, 205, 272, 328, 340, 400, 410, 425, 656, 680, 697, 773, 820, 850, 1025, 1360, 1394, 1546, 1640, 1700, 2050, 2788, 3092, 3280, 3400, 3485, 3865, 4100, 5576, 6184, 6800, 6970, 7730, 8200, 11152, 12368, 13141, 13940, 15460, 16400, 17425, 19325, 26282, 27880, 30920, 31693, 34850, 38650, 52564, 55760, 61840, 63386, 65705, 69700, 77300, 105128, 126772, 131410, 139400, 154600, 158465, 210256, 253544, 262820, 278800, 309200, 316930, 328525, 507088, 525640, 538781, 633860, 657050, 792325, 1051280, 1077562, 1267720, 1314100, 1584650, 2155124, 2535440, 2628200, 2693905, 3169300, 4310248, 5256400, 5387810, 6338600, 8620496, 10775620, 12677200, 13469525, 21551240, 26939050, 43102480, 53878100, 107756200, 215512400]

約数ペア:

[(1, 215512400), (2, 107756200), (4, 53878100), (5, 43102480), (8, 26939050), (10, 21551240), (16, 13469525), (17, 12677200), (20, 10775620), (25, 8620496), (34, 6338600), (40, 5387810), (41, 5256400), (50, 4310248), (68, 3169300), (80, 2693905), (82, 2628200), (85, 2535440), (100, 2155124), (136, 1584650), (164, 1314100), (170, 1267720), (200, 1077562), (205, 1051280), (272, 792325), (328, 657050), (340, 633860), (400, 538781), (410, 525640), (425, 507088), (656, 328525), (680, 316930), (697, 309200), (773, 278800), (820, 262820), (850, 253544), (1025, 210256), (1360, 158465), (1394, 154600), (1546, 139400), (1640, 131410), (1700, 126772), (2050, 105128), (2788, 77300), (3092, 69700), (3280, 65705), (3400, 63386), (3485, 61840), (3865, 55760), (4100, 52564), (5576, 38650), (6184, 34850), (6800, 31693), (6970, 30920), (7730, 27880), (8200, 26282), (11152, 19325), (12368, 17425), (13141, 16400), (13940, 15460)]