156716540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{5179}}^1$

素因数の和:5294

約数の個数: 48

約数和(自身を含む): 352447200

約数和(自身を除く): 195730660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1513, 1780, 3026, 5179, 6052, 7565, 10358, 15130, 20716, 25895, 30260, 51790, 88043, 103580, 176086, 352172, 440215, 460931, 880430, 921862, 1760860, 1843724, 2304655, 4609310, 7835827, 9218620, 15671654, 31343308, 39179135, 78358270, 156716540]

約数ペア:

[(1, 156716540), (2, 78358270), (4, 39179135), (5, 31343308), (10, 15671654), (17, 9218620), (20, 7835827), (34, 4609310), (68, 2304655), (85, 1843724), (89, 1760860), (170, 921862), (178, 880430), (340, 460931), (356, 440215), (445, 352172), (890, 176086), (1513, 103580), (1780, 88043), (3026, 51790), (5179, 30260), (6052, 25895), (7565, 20716), (10358, 15130)]