131451100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1637}}^1$

素因数の和:1735

約数の個数: 72

約数和(自身を含む): 315636048

約数和(自身を除く): 184184948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 73, 100, 110, 146, 220, 275, 292, 365, 550, 730, 803, 1100, 1460, 1606, 1637, 1825, 3212, 3274, 3650, 4015, 6548, 7300, 8030, 8185, 16060, 16370, 18007, 20075, 32740, 36014, 40150, 40925, 72028, 80300, 81850, 90035, 119501, 163700, 180070, 239002, 360140, 450175, 478004, 597505, 900350, 1195010, 1314511, 1800700, 2390020, 2629022, 2987525, 5258044, 5975050, 6572555, 11950100, 13145110, 26290220, 32862775, 65725550, 131451100]

約数ペア:

[(1, 131451100), (2, 65725550), (4, 32862775), (5, 26290220), (10, 13145110), (11, 11950100), (20, 6572555), (22, 5975050), (25, 5258044), (44, 2987525), (50, 2629022), (55, 2390020), (73, 1800700), (100, 1314511), (110, 1195010), (146, 900350), (220, 597505), (275, 478004), (292, 450175), (365, 360140), (550, 239002), (730, 180070), (803, 163700), (1100, 119501), (1460, 90035), (1606, 81850), (1637, 80300), (1825, 72028), (3212, 40925), (3274, 40150), (3650, 36014), (4015, 32740), (6548, 20075), (7300, 18007), (8030, 16370), (8185, 16060)]