396996880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{708923}}^1$

素因数の和:708943

約数の個数: 40

約数和(自身を含む): 1054878912

約数和(自身を除く): 657882032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 708923, 1417846, 2835692, 3544615, 4962461, 5671384, 7089230, 9924922, 11342768, 14178460, 19849844, 24812305, 28356920, 39699688, 49624610, 56713840, 79399376, 99249220, 198498440, 396996880]

約数ペア:

[(1, 396996880), (2, 198498440), (4, 99249220), (5, 79399376), (7, 56713840), (8, 49624610), (10, 39699688), (14, 28356920), (16, 24812305), (20, 19849844), (28, 14178460), (35, 11342768), (40, 9924922), (56, 7089230), (70, 5671384), (80, 4962461), (112, 3544615), (140, 2835692), (280, 1417846), (560, 708923)]