998898180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:514

約数の個数: 192

約数和(自身を含む): 3285123072

約数和(自身を除く): 2286224892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 127, 140, 183, 210, 244, 254, 305, 307, 366, 381, 420, 427, 508, 610, 614, 635, 732, 762, 854, 889, 915, 921, 1220, 1228, 1270, 1281, 1524, 1535, 1708, 1778, 1830, 1842, 1905, 2135, 2149, 2540, 2562, 2667, 3070, 3556, 3660, 3684, 3810, 4270, 4298, 4445, 4605, 5124, 5334, 6140, 6405, 6447, 7620, 7747, 8540, 8596, 8890, 9210, 10668, 10745, 12810, 12894, 13335, 15494, 17780, 18420, 18727, 21490, 23241, 25620, 25788, 26670, 30988, 32235, 37454, 38735, 38989, 42980, 46482, 53340, 54229, 56181, 64470, 74908, 77470, 77978, 92964, 93635, 108458, 112362, 116205, 116967, 128940, 131089, 154940, 155956, 162687, 187270, 194945, 216916, 224724, 232410, 233934, 262178, 271145, 272923, 280905, 325374, 374540, 389890, 393267, 464820, 467868, 524356, 542290, 545846, 561810, 584835, 650748, 655445, 779780, 786534, 813435, 818769, 1084580, 1091692, 1123620, 1169670, 1310890, 1364615, 1573068, 1626870, 1637538, 1966335, 2339340, 2378329, 2621780, 2729230, 3253740, 3275076, 3932670, 4093845, 4756658, 5458460, 7134987, 7865340, 8187690, 9513316, 11891645, 14269974, 16375380, 16648303, 23783290, 28539948, 33296606, 35674935, 47566580, 49944909, 66593212, 71349870, 83241515, 99889818, 142699740, 166483030, 199779636, 249724545, 332966060, 499449090, 998898180]

約数ペア:

[(1, 998898180), (2, 499449090), (3, 332966060), (4, 249724545), (5, 199779636), (6, 166483030), (7, 142699740), (10, 99889818), (12, 83241515), (14, 71349870), (15, 66593212), (20, 49944909), (21, 47566580), (28, 35674935), (30, 33296606), (35, 28539948), (42, 23783290), (60, 16648303), (61, 16375380), (70, 14269974), (84, 11891645), (105, 9513316), (122, 8187690), (127, 7865340), (140, 7134987), (183, 5458460), (210, 4756658), (244, 4093845), (254, 3932670), (305, 3275076), (307, 3253740), (366, 2729230), (381, 2621780), (420, 2378329), (427, 2339340), (508, 1966335), (610, 1637538), (614, 1626870), (635, 1573068), (732, 1364615), (762, 1310890), (854, 1169670), (889, 1123620), (915, 1091692), (921, 1084580), (1220, 818769), (1228, 813435), (1270, 786534), (1281, 779780), (1524, 655445), (1535, 650748), (1708, 584835), (1778, 561810), (1830, 545846), (1842, 542290), (1905, 524356), (2135, 467868), (2149, 464820), (2540, 393267), (2562, 389890), (2667, 374540), (3070, 325374), (3556, 280905), (3660, 272923), (3684, 271145), (3810, 262178), (4270, 233934), (4298, 232410), (4445, 224724), (4605, 216916), (5124, 194945), (5334, 187270), (6140, 162687), (6405, 155956), (6447, 154940), (7620, 131089), (7747, 128940), (8540, 116967), (8596, 116205), (8890, 112362), (9210, 108458), (10668, 93635), (10745, 92964), (12810, 77978), (12894, 77470), (13335, 74908), (15494, 64470), (17780, 56181), (18420, 54229), (18727, 53340), (21490, 46482), (23241, 42980), (25620, 38989), (25788, 38735), (26670, 37454), (30988, 32235)]