9900040420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{719}}^1\times {\mathrm{809}}^1$

素因数の和:1597

約数の個数: 96

約数和(自身を含む): 22338892800

約数和(自身を除く): 12438852380

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 719, 740, 809, 851, 1438, 1618, 1702, 2876, 3236, 3404, 3595, 4045, 4255, 7190, 8090, 8510, 14380, 16180, 16537, 17020, 18607, 26603, 29933, 33074, 37214, 53206, 59866, 66148, 74428, 82685, 93035, 106412, 119732, 133015, 149665, 165370, 186070, 266030, 299330, 330740, 372140, 532060, 581671, 598660, 611869, 688459, 1163342, 1223738, 1376918, 2326684, 2447476, 2753836, 2908355, 3059345, 3442295, 5816710, 6118690, 6884590, 11633420, 12237380, 13378433, 13769180, 21521827, 26756866, 43043654, 53513732, 66892165, 86087308, 107609135, 133784330, 215218270, 267568660, 430436540, 495002021, 990004042, 1980008084, 2475010105, 4950020210, 9900040420]

約数ペア:

[(1, 9900040420), (2, 4950020210), (4, 2475010105), (5, 1980008084), (10, 990004042), (20, 495002021), (23, 430436540), (37, 267568660), (46, 215218270), (74, 133784330), (92, 107609135), (115, 86087308), (148, 66892165), (185, 53513732), (230, 43043654), (370, 26756866), (460, 21521827), (719, 13769180), (740, 13378433), (809, 12237380), (851, 11633420), (1438, 6884590), (1618, 6118690), (1702, 5816710), (2876, 3442295), (3236, 3059345), (3404, 2908355), (3595, 2753836), (4045, 2447476), (4255, 2326684), (7190, 1376918), (8090, 1223738), (8510, 1163342), (14380, 688459), (16180, 611869), (16537, 598660), (17020, 581671), (18607, 532060), (26603, 372140), (29933, 330740), (33074, 299330), (37214, 266030), (53206, 186070), (59866, 165370), (66148, 149665), (74428, 133015), (82685, 119732), (93035, 106412)]