43854020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{613}}^1$

素因数の和:709

約数の個数: 72

約数和(自身を含む): 108773784

約数和(自身を除く): 64919764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 613, 730, 980, 1022, 1226, 1460, 2044, 2452, 2555, 3065, 3577, 4291, 5110, 6130, 7154, 8582, 10220, 12260, 14308, 17164, 17885, 21455, 30037, 35770, 42910, 44749, 60074, 71540, 85820, 89498, 120148, 150185, 178996, 223745, 300370, 313243, 447490, 600740, 626486, 894980, 1252972, 1566215, 2192701, 3132430, 4385402, 6264860, 8770804, 10963505, 21927010, 43854020]

約数ペア:

[(1, 43854020), (2, 21927010), (4, 10963505), (5, 8770804), (7, 6264860), (10, 4385402), (14, 3132430), (20, 2192701), (28, 1566215), (35, 1252972), (49, 894980), (70, 626486), (73, 600740), (98, 447490), (140, 313243), (146, 300370), (196, 223745), (245, 178996), (292, 150185), (365, 120148), (490, 89498), (511, 85820), (613, 71540), (730, 60074), (980, 44749), (1022, 42910), (1226, 35770), (1460, 30037), (2044, 21455), (2452, 17885), (2555, 17164), (3065, 14308), (3577, 12260), (4291, 10220), (5110, 8582), (6130, 7154)]