121997100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1259}}^1$

素因数の和:1312

約数の個数: 144

約数和(自身を含む): 393724800

約数和(自身を除く): 271727700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 25, 30, 34, 38, 50, 51, 57, 60, 68, 75, 76, 85, 95, 100, 102, 114, 150, 170, 190, 204, 228, 255, 285, 300, 323, 340, 380, 425, 475, 510, 570, 646, 850, 950, 969, 1020, 1140, 1259, 1275, 1292, 1425, 1615, 1700, 1900, 1938, 2518, 2550, 2850, 3230, 3777, 3876, 4845, 5036, 5100, 5700, 6295, 6460, 7554, 8075, 9690, 12590, 15108, 16150, 18885, 19380, 21403, 23921, 24225, 25180, 31475, 32300, 37770, 42806, 47842, 48450, 62950, 64209, 71763, 75540, 85612, 94425, 95684, 96900, 107015, 119605, 125900, 128418, 143526, 188850, 214030, 239210, 256836, 287052, 321045, 358815, 377700, 406657, 428060, 478420, 535075, 598025, 642090, 717630, 813314, 1070150, 1196050, 1219971, 1284180, 1435260, 1605225, 1626628, 1794075, 2033285, 2140300, 2392100, 2439942, 3210450, 3588150, 4066570, 4879884, 6099855, 6420900, 7176300, 8133140, 10166425, 12199710, 20332850, 24399420, 30499275, 40665700, 60998550, 121997100]

約数ペア:

[(1, 121997100), (2, 60998550), (3, 40665700), (4, 30499275), (5, 24399420), (6, 20332850), (10, 12199710), (12, 10166425), (15, 8133140), (17, 7176300), (19, 6420900), (20, 6099855), (25, 4879884), (30, 4066570), (34, 3588150), (38, 3210450), (50, 2439942), (51, 2392100), (57, 2140300), (60, 2033285), (68, 1794075), (75, 1626628), (76, 1605225), (85, 1435260), (95, 1284180), (100, 1219971), (102, 1196050), (114, 1070150), (150, 813314), (170, 717630), (190, 642090), (204, 598025), (228, 535075), (255, 478420), (285, 428060), (300, 406657), (323, 377700), (340, 358815), (380, 321045), (425, 287052), (475, 256836), (510, 239210), (570, 214030), (646, 188850), (850, 143526), (950, 128418), (969, 125900), (1020, 119605), (1140, 107015), (1259, 96900), (1275, 95684), (1292, 94425), (1425, 85612), (1615, 75540), (1700, 71763), (1900, 64209), (1938, 62950), (2518, 48450), (2550, 47842), (2850, 42806), (3230, 37770), (3777, 32300), (3876, 31475), (4845, 25180), (5036, 24225), (5100, 23921), (5700, 21403), (6295, 19380), (6460, 18885), (7554, 16150), (8075, 15108), (9690, 12590)]