31141000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:200

約数の個数: 128

約数和(自身を含む): 84240000

約数和(自身を除く): 53099000

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 88, 95, 100, 110, 125, 149, 152, 190, 200, 209, 220, 250, 275, 298, 380, 418, 440, 475, 500, 550, 596, 745, 760, 836, 950, 1000, 1045, 1100, 1192, 1375, 1490, 1639, 1672, 1900, 2090, 2200, 2375, 2750, 2831, 2980, 3278, 3725, 3800, 4180, 4750, 5225, 5500, 5662, 5960, 6556, 7450, 8195, 8360, 9500, 10450, 11000, 11324, 13112, 14155, 14900, 16390, 18625, 19000, 20900, 22648, 26125, 28310, 29800, 31141, 32780, 37250, 40975, 41800, 52250, 56620, 62282, 65560, 70775, 74500, 81950, 104500, 113240, 124564, 141550, 149000, 155705, 163900, 204875, 209000, 249128, 283100, 311410, 327800, 353875, 409750, 566200, 622820, 707750, 778525, 819500, 1245640, 1415500, 1557050, 1639000, 2831000, 3114100, 3892625, 6228200, 7785250, 15570500, 31141000]

約数ペア:

[(1, 31141000), (2, 15570500), (4, 7785250), (5, 6228200), (8, 3892625), (10, 3114100), (11, 2831000), (19, 1639000), (20, 1557050), (22, 1415500), (25, 1245640), (38, 819500), (40, 778525), (44, 707750), (50, 622820), (55, 566200), (76, 409750), (88, 353875), (95, 327800), (100, 311410), (110, 283100), (125, 249128), (149, 209000), (152, 204875), (190, 163900), (200, 155705), (209, 149000), (220, 141550), (250, 124564), (275, 113240), (298, 104500), (380, 81950), (418, 74500), (440, 70775), (475, 65560), (500, 62282), (550, 56620), (596, 52250), (745, 41800), (760, 40975), (836, 37250), (950, 32780), (1000, 31141), (1045, 29800), (1100, 28310), (1192, 26125), (1375, 22648), (1490, 20900), (1639, 19000), (1672, 18625), (1900, 16390), (2090, 14900), (2200, 14155), (2375, 13112), (2750, 11324), (2831, 11000), (2980, 10450), (3278, 9500), (3725, 8360), (3800, 8195), (4180, 7450), (4750, 6556), (5225, 5960), (5500, 5662)]