209225970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 599270400

約数和(自身を除く): 390044430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 79, 85, 90, 102, 135, 153, 158, 170, 237, 255, 270, 306, 395, 459, 474, 510, 577, 711, 765, 790, 918, 1154, 1185, 1343, 1422, 1530, 1731, 2133, 2295, 2370, 2686, 2885, 3462, 3555, 4029, 4266, 4590, 5193, 5770, 6715, 7110, 8058, 8655, 9809, 10386, 10665, 12087, 13430, 15579, 17310, 19618, 20145, 21330, 24174, 25965, 29427, 31158, 36261, 40290, 45583, 49045, 51930, 58854, 60435, 72522, 77895, 88281, 91166, 98090, 120870, 136749, 147135, 155790, 176562, 181305, 227915, 264843, 273498, 294270, 362610, 410247, 441405, 455830, 529686, 683745, 774911, 820494, 882810, 1230741, 1324215, 1367490, 1549822, 2051235, 2324733, 2461482, 2648430, 3874555, 4102470, 4649466, 6153705, 6974199, 7749110, 11623665, 12307410, 13948398, 20922597, 23247330, 34870995, 41845194, 69741990, 104612985, 209225970]

約数ペア:

[(1, 209225970), (2, 104612985), (3, 69741990), (5, 41845194), (6, 34870995), (9, 23247330), (10, 20922597), (15, 13948398), (17, 12307410), (18, 11623665), (27, 7749110), (30, 6974199), (34, 6153705), (45, 4649466), (51, 4102470), (54, 3874555), (79, 2648430), (85, 2461482), (90, 2324733), (102, 2051235), (135, 1549822), (153, 1367490), (158, 1324215), (170, 1230741), (237, 882810), (255, 820494), (270, 774911), (306, 683745), (395, 529686), (459, 455830), (474, 441405), (510, 410247), (577, 362610), (711, 294270), (765, 273498), (790, 264843), (918, 227915), (1154, 181305), (1185, 176562), (1343, 155790), (1422, 147135), (1530, 136749), (1731, 120870), (2133, 98090), (2295, 91166), (2370, 88281), (2686, 77895), (2885, 72522), (3462, 60435), (3555, 58854), (4029, 51930), (4266, 49045), (4590, 45583), (5193, 40290), (5770, 36261), (6715, 31158), (7110, 29427), (8058, 25965), (8655, 24174), (9809, 21330), (10386, 20145), (10665, 19618), (12087, 17310), (13430, 15579)]