49505450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:144

約数の個数: 72

約数和(自身を含む): 102552960

約数和(自身を除く): 53047510

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 41, 50, 62, 82, 95, 155, 190, 205, 310, 410, 475, 589, 775, 779, 950, 1025, 1178, 1271, 1550, 1558, 1681, 2050, 2542, 2945, 3362, 3895, 5890, 6355, 7790, 8405, 12710, 14725, 16810, 19475, 24149, 29450, 31775, 31939, 38950, 42025, 48298, 52111, 63550, 63878, 84050, 104222, 120745, 159695, 241490, 260555, 319390, 521110, 603725, 798475, 990109, 1207450, 1302775, 1596950, 1980218, 2605550, 4950545, 9901090, 24752725, 49505450]

約数ペア:

[(1, 49505450), (2, 24752725), (5, 9901090), (10, 4950545), (19, 2605550), (25, 1980218), (31, 1596950), (38, 1302775), (41, 1207450), (50, 990109), (62, 798475), (82, 603725), (95, 521110), (155, 319390), (190, 260555), (205, 241490), (310, 159695), (410, 120745), (475, 104222), (589, 84050), (775, 63878), (779, 63550), (950, 52111), (1025, 48298), (1178, 42025), (1271, 38950), (1550, 31939), (1558, 31775), (1681, 29450), (2050, 24149), (2542, 19475), (2945, 16810), (3362, 14725), (3895, 12710), (5890, 8405), (6355, 7790)]