210870520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{397}}^1$

素因数の和:693

約数の個数: 96

約数和(自身を含む): 555353280

約数和(自身を除く): 344482760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 271, 280, 392, 397, 490, 542, 794, 980, 1084, 1355, 1588, 1897, 1960, 1985, 2168, 2710, 2779, 3176, 3794, 3970, 5420, 5558, 7588, 7940, 9485, 10840, 11116, 13279, 13895, 15176, 15880, 18970, 19453, 22232, 26558, 27790, 37940, 38906, 53116, 55580, 66395, 75880, 77812, 97265, 106232, 107587, 111160, 132790, 155624, 194530, 215174, 265580, 389060, 430348, 531160, 537935, 753109, 778120, 860696, 1075870, 1506218, 2151740, 3012436, 3765545, 4303480, 5271763, 6024872, 7531090, 10543526, 15062180, 21087052, 26358815, 30124360, 42174104, 52717630, 105435260, 210870520]

約数ペア:

[(1, 210870520), (2, 105435260), (4, 52717630), (5, 42174104), (7, 30124360), (8, 26358815), (10, 21087052), (14, 15062180), (20, 10543526), (28, 7531090), (35, 6024872), (40, 5271763), (49, 4303480), (56, 3765545), (70, 3012436), (98, 2151740), (140, 1506218), (196, 1075870), (245, 860696), (271, 778120), (280, 753109), (392, 537935), (397, 531160), (490, 430348), (542, 389060), (794, 265580), (980, 215174), (1084, 194530), (1355, 155624), (1588, 132790), (1897, 111160), (1960, 107587), (1985, 106232), (2168, 97265), (2710, 77812), (2779, 75880), (3176, 66395), (3794, 55580), (3970, 53116), (5420, 38906), (5558, 37940), (7588, 27790), (7940, 26558), (9485, 22232), (10840, 19453), (11116, 18970), (13279, 15880), (13895, 15176)]