30848440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15739}}^1$

素因数の和:15764

約数の個数: 48

約数和(自身を含む): 80746200

約数和(自身を除く): 49897760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 15739, 31478, 62956, 78695, 110173, 125912, 157390, 220346, 314780, 440692, 550865, 629560, 771211, 881384, 1101730, 1542422, 2203460, 3084844, 3856055, 4406920, 6169688, 7712110, 15424220, 30848440]

約数ペア:

[(1, 30848440), (2, 15424220), (4, 7712110), (5, 6169688), (7, 4406920), (8, 3856055), (10, 3084844), (14, 2203460), (20, 1542422), (28, 1101730), (35, 881384), (40, 771211), (49, 629560), (56, 550865), (70, 440692), (98, 314780), (140, 220346), (196, 157390), (245, 125912), (280, 110173), (392, 78695), (490, 62956), (980, 31478), (1960, 15739)]