78903580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29663}}^1$

素因数の和:29698

約数の個数: 48

約数和(自身を含む): 199342080

約数和(自身を除く): 120438500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 29663, 59326, 118652, 148315, 207641, 296630, 415282, 563597, 593260, 830564, 1038205, 1127194, 2076410, 2254388, 2817985, 3945179, 4152820, 5635970, 7890358, 11271940, 15780716, 19725895, 39451790, 78903580]

約数ペア:

[(1, 78903580), (2, 39451790), (4, 19725895), (5, 15780716), (7, 11271940), (10, 7890358), (14, 5635970), (19, 4152820), (20, 3945179), (28, 2817985), (35, 2254388), (38, 2076410), (70, 1127194), (76, 1038205), (95, 830564), (133, 593260), (140, 563597), (190, 415282), (266, 296630), (380, 207641), (532, 148315), (665, 118652), (1330, 59326), (2660, 29663)]