194311720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{156703}}^1$

素因数の和:156745

約数の個数: 32

約数和(自身を含む): 451307520

約数和(自身を除く): 256995800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 156703, 313406, 626812, 783515, 1253624, 1567030, 3134060, 4857793, 6268120, 9715586, 19431172, 24288965, 38862344, 48577930, 97155860, 194311720]

約数ペア:

[(1, 194311720), (2, 97155860), (4, 48577930), (5, 38862344), (8, 24288965), (10, 19431172), (20, 9715586), (31, 6268120), (40, 4857793), (62, 3134060), (124, 1567030), (155, 1253624), (248, 783515), (310, 626812), (620, 313406), (1240, 156703)]