38921780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 84747600

約数和(自身を除く): 45825820

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 149, 185, 298, 353, 370, 596, 706, 740, 745, 1412, 1490, 1765, 2980, 3530, 5513, 7060, 11026, 13061, 22052, 26122, 27565, 52244, 52597, 55130, 65305, 105194, 110260, 130610, 210388, 261220, 262985, 525970, 1051940, 1946089, 3892178, 7784356, 9730445, 19460890, 38921780]

約数ペア:

[(1, 38921780), (2, 19460890), (4, 9730445), (5, 7784356), (10, 3892178), (20, 1946089), (37, 1051940), (74, 525970), (148, 262985), (149, 261220), (185, 210388), (298, 130610), (353, 110260), (370, 105194), (596, 65305), (706, 55130), (740, 52597), (745, 52244), (1412, 27565), (1490, 26122), (1765, 22052), (2980, 13061), (3530, 11026), (5513, 7060)]