338656400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^2\times {\mathrm{881}}^1$

素因数の和:961

約数の個数: 90

約数和(自身を含む): 841668786

約数和(自身を除く): 503012386

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 881, 961, 1240, 1550, 1762, 1922, 2480, 3100, 3524, 3844, 4405, 4805, 6200, 7048, 7688, 8810, 9610, 12400, 14096, 15376, 17620, 19220, 22025, 24025, 27311, 35240, 38440, 44050, 48050, 54622, 70480, 76880, 88100, 96100, 109244, 136555, 176200, 192200, 218488, 273110, 352400, 384400, 436976, 546220, 682775, 846641, 1092440, 1365550, 1693282, 2184880, 2731100, 3386564, 4233205, 5462200, 6773128, 8466410, 10924400, 13546256, 16932820, 21166025, 33865640, 42332050, 67731280, 84664100, 169328200, 338656400]

約数ペア:

[(1, 338656400), (2, 169328200), (4, 84664100), (5, 67731280), (8, 42332050), (10, 33865640), (16, 21166025), (20, 16932820), (25, 13546256), (31, 10924400), (40, 8466410), (50, 6773128), (62, 5462200), (80, 4233205), (100, 3386564), (124, 2731100), (155, 2184880), (200, 1693282), (248, 1365550), (310, 1092440), (400, 846641), (496, 682775), (620, 546220), (775, 436976), (881, 384400), (961, 352400), (1240, 273110), (1550, 218488), (1762, 192200), (1922, 176200), (2480, 136555), (3100, 109244), (3524, 96100), (3844, 88100), (4405, 76880), (4805, 70480), (6200, 54622), (7048, 48050), (7688, 44050), (8810, 38440), (9610, 35240), (12400, 27311), (14096, 24025), (15376, 22025), (17620, 19220)]