404218400

素因数分解:

$2^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{5209}}^1$

素因数の和:5326

約数の個数: 72

約数和(自身を含む): 997162740

約数和(自身を除く): 592944340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 160, 194, 200, 388, 400, 485, 776, 800, 970, 1552, 1940, 2425, 3104, 3880, 4850, 5209, 7760, 9700, 10418, 15520, 19400, 20836, 26045, 38800, 41672, 52090, 77600, 83344, 104180, 130225, 166688, 208360, 260450, 416720, 505273, 520900, 833440, 1010546, 1041800, 2021092, 2083600, 2526365, 4042184, 4167200, 5052730, 8084368, 10105460, 12631825, 16168736, 20210920, 25263650, 40421840, 50527300, 80843680, 101054600, 202109200, 404218400]

約数ペア:

[(1, 404218400), (2, 202109200), (4, 101054600), (5, 80843680), (8, 50527300), (10, 40421840), (16, 25263650), (20, 20210920), (25, 16168736), (32, 12631825), (40, 10105460), (50, 8084368), (80, 5052730), (97, 4167200), (100, 4042184), (160, 2526365), (194, 2083600), (200, 2021092), (388, 1041800), (400, 1010546), (485, 833440), (776, 520900), (800, 505273), (970, 416720), (1552, 260450), (1940, 208360), (2425, 166688), (3104, 130225), (3880, 104180), (4850, 83344), (5209, 77600), (7760, 52090), (9700, 41672), (10418, 38800), (15520, 26045), (19400, 20836)]