209936580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{101}}^2$

素因数の和:235

約数の個数: 144

約数和(自身を含む): 692361600

約数和(自身を除く): 482425020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 101, 105, 140, 147, 196, 202, 210, 245, 294, 303, 343, 404, 420, 490, 505, 588, 606, 686, 707, 735, 980, 1010, 1029, 1212, 1372, 1414, 1470, 1515, 1715, 2020, 2058, 2121, 2828, 2940, 3030, 3430, 3535, 4116, 4242, 4949, 5145, 6060, 6860, 7070, 8484, 9898, 10201, 10290, 10605, 14140, 14847, 19796, 20402, 20580, 21210, 24745, 29694, 30603, 34643, 40804, 42420, 49490, 51005, 59388, 61206, 69286, 71407, 74235, 98980, 102010, 103929, 122412, 138572, 142814, 148470, 153015, 173215, 204020, 207858, 214221, 285628, 296940, 306030, 346430, 357035, 415716, 428442, 499849, 519645, 612060, 692860, 714070, 856884, 999698, 1039290, 1071105, 1428140, 1499547, 1999396, 2078580, 2142210, 2499245, 2999094, 3498943, 4284420, 4998490, 5998188, 6997886, 7497735, 9996980, 10496829, 13995772, 14995470, 17494715, 20993658, 29990940, 34989430, 41987316, 52484145, 69978860, 104968290, 209936580]

約数ペア:

[(1, 209936580), (2, 104968290), (3, 69978860), (4, 52484145), (5, 41987316), (6, 34989430), (7, 29990940), (10, 20993658), (12, 17494715), (14, 14995470), (15, 13995772), (20, 10496829), (21, 9996980), (28, 7497735), (30, 6997886), (35, 5998188), (42, 4998490), (49, 4284420), (60, 3498943), (70, 2999094), (84, 2499245), (98, 2142210), (101, 2078580), (105, 1999396), (140, 1499547), (147, 1428140), (196, 1071105), (202, 1039290), (210, 999698), (245, 856884), (294, 714070), (303, 692860), (343, 612060), (404, 519645), (420, 499849), (490, 428442), (505, 415716), (588, 357035), (606, 346430), (686, 306030), (707, 296940), (735, 285628), (980, 214221), (1010, 207858), (1029, 204020), (1212, 173215), (1372, 153015), (1414, 148470), (1470, 142814), (1515, 138572), (1715, 122412), (2020, 103929), (2058, 102010), (2121, 98980), (2828, 74235), (2940, 71407), (3030, 69286), (3430, 61206), (3535, 59388), (4116, 51005), (4242, 49490), (4949, 42420), (5145, 40804), (6060, 34643), (6860, 30603), (7070, 29694), (8484, 24745), (9898, 21210), (10201, 20580), (10290, 20402), (10605, 19796), (14140, 14847)]