2161950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 96

約数和(自身を含む): 6428160

約数和(自身を除く): 4266210

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 29, 30, 35, 42, 50, 58, 70, 71, 75, 87, 105, 142, 145, 150, 174, 175, 203, 210, 213, 290, 350, 355, 406, 426, 435, 497, 525, 609, 710, 725, 870, 994, 1015, 1050, 1065, 1218, 1450, 1491, 1775, 2030, 2059, 2130, 2175, 2485, 2982, 3045, 3550, 4118, 4350, 4970, 5075, 5325, 6090, 6177, 7455, 10150, 10295, 10650, 12354, 12425, 14413, 14910, 15225, 20590, 24850, 28826, 30450, 30885, 37275, 43239, 51475, 61770, 72065, 74550, 86478, 102950, 144130, 154425, 216195, 308850, 360325, 432390, 720650, 1080975, 2161950]

約数ペア:

[(1, 2161950), (2, 1080975), (3, 720650), (5, 432390), (6, 360325), (7, 308850), (10, 216195), (14, 154425), (15, 144130), (21, 102950), (25, 86478), (29, 74550), (30, 72065), (35, 61770), (42, 51475), (50, 43239), (58, 37275), (70, 30885), (71, 30450), (75, 28826), (87, 24850), (105, 20590), (142, 15225), (145, 14910), (150, 14413), (174, 12425), (175, 12354), (203, 10650), (210, 10295), (213, 10150), (290, 7455), (350, 6177), (355, 6090), (406, 5325), (426, 5075), (435, 4970), (497, 4350), (525, 4118), (609, 3550), (710, 3045), (725, 2982), (870, 2485), (994, 2175), (1015, 2130), (1050, 2059), (1065, 2030), (1218, 1775), (1450, 1491)]