202810020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{683}}^1$

素因数の和:810

約数の個数: 144

約数和(自身を含む): 668098368

約数和(自身を除く): 465288348

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, 404, 420, 490, 505, 588, 606, 683, 707, 735, 980, 1010, 1212, 1366, 1414, 1470, 1515, 2020, 2049, 2121, 2732, 2828, 2940, 3030, 3415, 3535, 4098, 4242, 4781, 4949, 6060, 6830, 7070, 8196, 8484, 9562, 9898, 10245, 10605, 13660, 14140, 14343, 14847, 19124, 19796, 20490, 21210, 23905, 24745, 28686, 29694, 33467, 40980, 42420, 47810, 49490, 57372, 59388, 66934, 68983, 71715, 74235, 95620, 98980, 100401, 133868, 137966, 143430, 148470, 167335, 200802, 206949, 275932, 286860, 296940, 334670, 344915, 401604, 413898, 482881, 502005, 669340, 689830, 827796, 965762, 1004010, 1034745, 1379660, 1448643, 1931524, 2008020, 2069490, 2414405, 2897286, 3380167, 4138980, 4828810, 5794572, 6760334, 7243215, 9657620, 10140501, 13520668, 14486430, 16900835, 20281002, 28972860, 33801670, 40562004, 50702505, 67603340, 101405010, 202810020]

約数ペア:

[(1, 202810020), (2, 101405010), (3, 67603340), (4, 50702505), (5, 40562004), (6, 33801670), (7, 28972860), (10, 20281002), (12, 16900835), (14, 14486430), (15, 13520668), (20, 10140501), (21, 9657620), (28, 7243215), (30, 6760334), (35, 5794572), (42, 4828810), (49, 4138980), (60, 3380167), (70, 2897286), (84, 2414405), (98, 2069490), (101, 2008020), (105, 1931524), (140, 1448643), (147, 1379660), (196, 1034745), (202, 1004010), (210, 965762), (245, 827796), (294, 689830), (303, 669340), (404, 502005), (420, 482881), (490, 413898), (505, 401604), (588, 344915), (606, 334670), (683, 296940), (707, 286860), (735, 275932), (980, 206949), (1010, 200802), (1212, 167335), (1366, 148470), (1414, 143430), (1470, 137966), (1515, 133868), (2020, 100401), (2049, 98980), (2121, 95620), (2732, 74235), (2828, 71715), (2940, 68983), (3030, 66934), (3415, 59388), (3535, 57372), (4098, 49490), (4242, 47810), (4781, 42420), (4949, 40980), (6060, 33467), (6830, 29694), (7070, 28686), (8196, 24745), (8484, 23905), (9562, 21210), (9898, 20490), (10245, 19796), (10605, 19124), (13660, 14847), (14140, 14343)]