203414860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:571

約数の個数: 96

約数和(自身を含む): 498270528

約数和(自身を除く): 294855668

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 137, 170, 187, 220, 274, 340, 374, 397, 548, 685, 748, 794, 935, 1370, 1507, 1588, 1870, 1985, 2329, 2740, 3014, 3740, 3970, 4367, 4658, 6028, 6749, 7535, 7940, 8734, 9316, 11645, 13498, 15070, 17468, 21835, 23290, 25619, 26996, 30140, 33745, 43670, 46580, 51238, 54389, 67490, 74239, 87340, 102476, 108778, 128095, 134980, 148478, 217556, 256190, 271945, 296956, 371195, 512380, 543890, 598279, 742390, 924613, 1087780, 1196558, 1484780, 1849226, 2393116, 2991395, 3698452, 4623065, 5982790, 9246130, 10170743, 11965580, 18492260, 20341486, 40682972, 50853715, 101707430, 203414860]

約数ペア:

[(1, 203414860), (2, 101707430), (4, 50853715), (5, 40682972), (10, 20341486), (11, 18492260), (17, 11965580), (20, 10170743), (22, 9246130), (34, 5982790), (44, 4623065), (55, 3698452), (68, 2991395), (85, 2393116), (110, 1849226), (137, 1484780), (170, 1196558), (187, 1087780), (220, 924613), (274, 742390), (340, 598279), (374, 543890), (397, 512380), (548, 371195), (685, 296956), (748, 271945), (794, 256190), (935, 217556), (1370, 148478), (1507, 134980), (1588, 128095), (1870, 108778), (1985, 102476), (2329, 87340), (2740, 74239), (3014, 67490), (3740, 54389), (3970, 51238), (4367, 46580), (4658, 43670), (6028, 33745), (6749, 30140), (7535, 26996), (7940, 25619), (8734, 23290), (9316, 21835), (11645, 17468), (13498, 15070)]