215471620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{1301}}^1$

素因数の和:1350

約数の個数: 108

約数和(自身を含む): 570408804

約数和(自身を除く): 354937184

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 169, 182, 196, 245, 260, 338, 364, 455, 490, 637, 676, 845, 910, 980, 1183, 1274, 1301, 1690, 1820, 2366, 2548, 2602, 3185, 3380, 4732, 5204, 5915, 6370, 6505, 8281, 9107, 11830, 12740, 13010, 16562, 16913, 18214, 23660, 26020, 33124, 33826, 36428, 41405, 45535, 63749, 67652, 82810, 84565, 91070, 118391, 127498, 165620, 169130, 182140, 219869, 236782, 254996, 318745, 338260, 439738, 473564, 591955, 637490, 828737, 879476, 1099345, 1183910, 1274980, 1539083, 1657474, 2198690, 2367820, 3078166, 3314948, 4143685, 4397380, 6156332, 7695415, 8287370, 10773581, 15390830, 16574740, 21547162, 30781660, 43094324, 53867905, 107735810, 215471620]

約数ペア:

[(1, 215471620), (2, 107735810), (4, 53867905), (5, 43094324), (7, 30781660), (10, 21547162), (13, 16574740), (14, 15390830), (20, 10773581), (26, 8287370), (28, 7695415), (35, 6156332), (49, 4397380), (52, 4143685), (65, 3314948), (70, 3078166), (91, 2367820), (98, 2198690), (130, 1657474), (140, 1539083), (169, 1274980), (182, 1183910), (196, 1099345), (245, 879476), (260, 828737), (338, 637490), (364, 591955), (455, 473564), (490, 439738), (637, 338260), (676, 318745), (845, 254996), (910, 236782), (980, 219869), (1183, 182140), (1274, 169130), (1301, 165620), (1690, 127498), (1820, 118391), (2366, 91070), (2548, 84565), (2602, 82810), (3185, 67652), (3380, 63749), (4732, 45535), (5204, 41405), (5915, 36428), (6370, 33826), (6505, 33124), (8281, 26020), (9107, 23660), (11830, 18214), (12740, 16913), (13010, 16562)]