209903652

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:311

約数の個数: 144

約数和(自身を含む): 628992000

約数和(自身を除く): 419088348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 89, 98, 126, 147, 178, 191, 196, 252, 267, 294, 343, 356, 382, 441, 534, 573, 588, 623, 686, 764, 801, 882, 1029, 1068, 1146, 1246, 1337, 1372, 1602, 1719, 1764, 1869, 2058, 2292, 2492, 2674, 3087, 3204, 3438, 3738, 4011, 4116, 4361, 5348, 5607, 6174, 6876, 7476, 8022, 8722, 9359, 11214, 12033, 12348, 13083, 16044, 16999, 17444, 18718, 22428, 24066, 26166, 28077, 30527, 33998, 37436, 39249, 48132, 50997, 52332, 56154, 61054, 65513, 67996, 78498, 84231, 91581, 101994, 112308, 118993, 122108, 131026, 152991, 156996, 168462, 183162, 196539, 203988, 237986, 262052, 274743, 305982, 336924, 356979, 366324, 393078, 475972, 549486, 589617, 611964, 713958, 786156, 832951, 1070937, 1098972, 1179234, 1427916, 1665902, 2141874, 2358468, 2498853, 3331804, 4283748, 4997706, 5830657, 7496559, 9995412, 11661314, 14993118, 17491971, 23322628, 29986236, 34983942, 52475913, 69967884, 104951826, 209903652]

約数ペア:

[(1, 209903652), (2, 104951826), (3, 69967884), (4, 52475913), (6, 34983942), (7, 29986236), (9, 23322628), (12, 17491971), (14, 14993118), (18, 11661314), (21, 9995412), (28, 7496559), (36, 5830657), (42, 4997706), (49, 4283748), (63, 3331804), (84, 2498853), (89, 2358468), (98, 2141874), (126, 1665902), (147, 1427916), (178, 1179234), (191, 1098972), (196, 1070937), (252, 832951), (267, 786156), (294, 713958), (343, 611964), (356, 589617), (382, 549486), (441, 475972), (534, 393078), (573, 366324), (588, 356979), (623, 336924), (686, 305982), (764, 274743), (801, 262052), (882, 237986), (1029, 203988), (1068, 196539), (1146, 183162), (1246, 168462), (1337, 156996), (1372, 152991), (1602, 131026), (1719, 122108), (1764, 118993), (1869, 112308), (2058, 101994), (2292, 91581), (2492, 84231), (2674, 78498), (3087, 67996), (3204, 65513), (3438, 61054), (3738, 56154), (4011, 52332), (4116, 50997), (4361, 48132), (5348, 39249), (5607, 37436), (6174, 33998), (6876, 30527), (7476, 28077), (8022, 26166), (8722, 24066), (9359, 22428), (11214, 18718), (12033, 17444), (12348, 16999), (13083, 16044)]