209171340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4049}}^1$

素因数の和:4112

約数の個数: 144

約数和(自身を含む): 742996800

約数和(自身を除く): 533825460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 60, 63, 70, 82, 84, 90, 105, 123, 126, 140, 164, 180, 205, 210, 246, 252, 287, 315, 369, 410, 420, 492, 574, 615, 630, 738, 820, 861, 1148, 1230, 1260, 1435, 1476, 1722, 1845, 2460, 2583, 2870, 3444, 3690, 4049, 4305, 5166, 5740, 7380, 8098, 8610, 10332, 12147, 12915, 16196, 17220, 20245, 24294, 25830, 28343, 36441, 40490, 48588, 51660, 56686, 60735, 72882, 80980, 85029, 113372, 121470, 141715, 145764, 166009, 170058, 182205, 242940, 255087, 283430, 332018, 340116, 364410, 425145, 498027, 510174, 566860, 664036, 728820, 830045, 850290, 996054, 1020348, 1162063, 1275435, 1494081, 1660090, 1700580, 1992108, 2324126, 2490135, 2550870, 2988162, 3320180, 3486189, 4648252, 4980270, 5101740, 5810315, 5976324, 6972378, 7470405, 9960540, 10458567, 11620630, 13944756, 14940810, 17430945, 20917134, 23241260, 29881620, 34861890, 41834268, 52292835, 69723780, 104585670, 209171340]

約数ペア:

[(1, 209171340), (2, 104585670), (3, 69723780), (4, 52292835), (5, 41834268), (6, 34861890), (7, 29881620), (9, 23241260), (10, 20917134), (12, 17430945), (14, 14940810), (15, 13944756), (18, 11620630), (20, 10458567), (21, 9960540), (28, 7470405), (30, 6972378), (35, 5976324), (36, 5810315), (41, 5101740), (42, 4980270), (45, 4648252), (60, 3486189), (63, 3320180), (70, 2988162), (82, 2550870), (84, 2490135), (90, 2324126), (105, 1992108), (123, 1700580), (126, 1660090), (140, 1494081), (164, 1275435), (180, 1162063), (205, 1020348), (210, 996054), (246, 850290), (252, 830045), (287, 728820), (315, 664036), (369, 566860), (410, 510174), (420, 498027), (492, 425145), (574, 364410), (615, 340116), (630, 332018), (738, 283430), (820, 255087), (861, 242940), (1148, 182205), (1230, 170058), (1260, 166009), (1435, 145764), (1476, 141715), (1722, 121470), (1845, 113372), (2460, 85029), (2583, 80980), (2870, 72882), (3444, 60735), (3690, 56686), (4049, 51660), (4305, 48588), (5166, 40490), (5740, 36441), (7380, 28343), (8098, 25830), (8610, 24294), (10332, 20245), (12147, 17220), (12915, 16196)]