209417940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4909}}^1$

素因数の和:5006

約数の個数: 96

約数和(自身を含む): 659904000

約数和(自身を除く): 450486060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 90, 108, 135, 158, 180, 237, 270, 316, 395, 474, 540, 711, 790, 948, 1185, 1422, 1580, 2133, 2370, 2844, 3555, 4266, 4740, 4909, 7110, 8532, 9818, 10665, 14220, 14727, 19636, 21330, 24545, 29454, 42660, 44181, 49090, 58908, 73635, 88362, 98180, 132543, 147270, 176724, 220905, 265086, 294540, 387811, 441810, 530172, 662715, 775622, 883620, 1163433, 1325430, 1551244, 1939055, 2326866, 2650860, 3490299, 3878110, 4653732, 5817165, 6980598, 7756220, 10470897, 11634330, 13961196, 17451495, 20941794, 23268660, 34902990, 41883588, 52354485, 69805980, 104708970, 209417940]

約数ペア:

[(1, 209417940), (2, 104708970), (3, 69805980), (4, 52354485), (5, 41883588), (6, 34902990), (9, 23268660), (10, 20941794), (12, 17451495), (15, 13961196), (18, 11634330), (20, 10470897), (27, 7756220), (30, 6980598), (36, 5817165), (45, 4653732), (54, 3878110), (60, 3490299), (79, 2650860), (90, 2326866), (108, 1939055), (135, 1551244), (158, 1325430), (180, 1163433), (237, 883620), (270, 775622), (316, 662715), (395, 530172), (474, 441810), (540, 387811), (711, 294540), (790, 265086), (948, 220905), (1185, 176724), (1422, 147270), (1580, 132543), (2133, 98180), (2370, 88362), (2844, 73635), (3555, 58908), (4266, 49090), (4740, 44181), (4909, 42660), (7110, 29454), (8532, 24545), (9818, 21330), (10665, 19636), (14220, 14727)]