213822980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19333}}^1$

素因数の和:19428

約数の個数: 48

約数和(自身を含む): 519697920

約数和(自身を除く): 305874940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 19333, 38666, 77332, 96665, 135331, 193330, 270662, 386660, 541324, 676655, 1353310, 1527307, 2706620, 3054614, 6109228, 7636535, 10691149, 15273070, 21382298, 30546140, 42764596, 53455745, 106911490, 213822980]

約数ペア:

[(1, 213822980), (2, 106911490), (4, 53455745), (5, 42764596), (7, 30546140), (10, 21382298), (14, 15273070), (20, 10691149), (28, 7636535), (35, 6109228), (70, 3054614), (79, 2706620), (140, 1527307), (158, 1353310), (316, 676655), (395, 541324), (553, 386660), (790, 270662), (1106, 193330), (1580, 135331), (2212, 96665), (2765, 77332), (5530, 38666), (11060, 19333)]