77025940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 165488400

約数和(自身を除く): 88462460

約数列:

[1, 2, 4, 5, 10, 20, 89, 109, 178, 218, 356, 397, 436, 445, 545, 794, 890, 1090, 1588, 1780, 1985, 2180, 3970, 7940, 9701, 19402, 35333, 38804, 43273, 48505, 70666, 86546, 97010, 141332, 173092, 176665, 194020, 216365, 353330, 432730, 706660, 865460, 3851297, 7702594, 15405188, 19256485, 38512970, 77025940]

約数ペア:

[(1, 77025940), (2, 38512970), (4, 19256485), (5, 15405188), (10, 7702594), (20, 3851297), (89, 865460), (109, 706660), (178, 432730), (218, 353330), (356, 216365), (397, 194020), (436, 176665), (445, 173092), (545, 141332), (794, 97010), (890, 86546), (1090, 70666), (1588, 48505), (1780, 43273), (1985, 38804), (2180, 35333), (3970, 19402), (7940, 9701)]