2154996970

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{8849}}^1$

素因数の和:8948

約数の個数: 64

約数和(自身を含む): 4587840000

約数和(自身を除く): 2432843030

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 343, 355, 490, 497, 686, 710, 994, 1715, 2485, 3430, 3479, 4970, 6958, 8849, 17395, 17698, 24353, 34790, 44245, 48706, 61943, 88490, 121765, 123886, 243530, 309715, 433601, 619430, 628279, 867202, 1256558, 2168005, 3035207, 3141395, 4336010, 4397953, 6070414, 6282790, 8795906, 15176035, 21989765, 30352070, 30785671, 43979530, 61571342, 153928355, 215499697, 307856710, 430999394, 1077498485, 2154996970]

約数ペア:

[(1, 2154996970), (2, 1077498485), (5, 430999394), (7, 307856710), (10, 215499697), (14, 153928355), (35, 61571342), (49, 43979530), (70, 30785671), (71, 30352070), (98, 21989765), (142, 15176035), (245, 8795906), (343, 6282790), (355, 6070414), (490, 4397953), (497, 4336010), (686, 3141395), (710, 3035207), (994, 2168005), (1715, 1256558), (2485, 867202), (3430, 628279), (3479, 619430), (4970, 433601), (6958, 309715), (8849, 243530), (17395, 123886), (17698, 121765), (24353, 88490), (34790, 61943), (44245, 48706)]