309680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{79}}^1$

素因数の和:106

約数の個数: 60

約数和(自身を含む): 848160

約数和(自身を除く): 538480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 196, 245, 280, 316, 392, 395, 490, 553, 560, 632, 784, 790, 980, 1106, 1264, 1580, 1960, 2212, 2765, 3160, 3871, 3920, 4424, 5530, 6320, 7742, 8848, 11060, 15484, 19355, 22120, 30968, 38710, 44240, 61936, 77420, 154840, 309680]

約数ペア:

[(1, 309680), (2, 154840), (4, 77420), (5, 61936), (7, 44240), (8, 38710), (10, 30968), (14, 22120), (16, 19355), (20, 15484), (28, 11060), (35, 8848), (40, 7742), (49, 6320), (56, 5530), (70, 4424), (79, 3920), (80, 3871), (98, 3160), (112, 2765), (140, 2212), (158, 1960), (196, 1580), (245, 1264), (280, 1106), (316, 980), (392, 790), (395, 784), (490, 632), (553, 560)]