12456400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 34596000

約数和(自身を除く): 22139600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 80, 88, 95, 100, 110, 149, 152, 176, 190, 200, 209, 220, 275, 298, 304, 380, 400, 418, 440, 475, 550, 596, 745, 760, 836, 880, 950, 1045, 1100, 1192, 1490, 1520, 1639, 1672, 1900, 2090, 2200, 2384, 2831, 2980, 3278, 3344, 3725, 3800, 4180, 4400, 5225, 5662, 5960, 6556, 7450, 7600, 8195, 8360, 10450, 11324, 11920, 13112, 14155, 14900, 16390, 16720, 20900, 22648, 26224, 28310, 29800, 31141, 32780, 40975, 41800, 45296, 56620, 59600, 62282, 65560, 70775, 81950, 83600, 113240, 124564, 131120, 141550, 155705, 163900, 226480, 249128, 283100, 311410, 327800, 498256, 566200, 622820, 655600, 778525, 1132400, 1245640, 1557050, 2491280, 3114100, 6228200, 12456400]

約数ペア:

[(1, 12456400), (2, 6228200), (4, 3114100), (5, 2491280), (8, 1557050), (10, 1245640), (11, 1132400), (16, 778525), (19, 655600), (20, 622820), (22, 566200), (25, 498256), (38, 327800), (40, 311410), (44, 283100), (50, 249128), (55, 226480), (76, 163900), (80, 155705), (88, 141550), (95, 131120), (100, 124564), (110, 113240), (149, 83600), (152, 81950), (176, 70775), (190, 65560), (200, 62282), (209, 59600), (220, 56620), (275, 45296), (298, 41800), (304, 40975), (380, 32780), (400, 31141), (418, 29800), (440, 28310), (475, 26224), (550, 22648), (596, 20900), (745, 16720), (760, 16390), (836, 14900), (880, 14155), (950, 13112), (1045, 11920), (1100, 11324), (1192, 10450), (1490, 8360), (1520, 8195), (1639, 7600), (1672, 7450), (1900, 6556), (2090, 5960), (2200, 5662), (2384, 5225), (2831, 4400), (2980, 4180), (3278, 3800), (3344, 3725)]