10990100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 26539968

約数和(自身を除く): 15549868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 97, 100, 103, 110, 194, 206, 220, 275, 388, 412, 485, 515, 550, 970, 1030, 1067, 1100, 1133, 1940, 2060, 2134, 2266, 2425, 2575, 4268, 4532, 4850, 5150, 5335, 5665, 9700, 9991, 10300, 10670, 11330, 19982, 21340, 22660, 26675, 28325, 39964, 49955, 53350, 56650, 99910, 106700, 109901, 113300, 199820, 219802, 249775, 439604, 499550, 549505, 999100, 1099010, 2198020, 2747525, 5495050, 10990100]

約数ペア:

[(1, 10990100), (2, 5495050), (4, 2747525), (5, 2198020), (10, 1099010), (11, 999100), (20, 549505), (22, 499550), (25, 439604), (44, 249775), (50, 219802), (55, 199820), (97, 113300), (100, 109901), (103, 106700), (110, 99910), (194, 56650), (206, 53350), (220, 49955), (275, 39964), (388, 28325), (412, 26675), (485, 22660), (515, 21340), (550, 19982), (970, 11330), (1030, 10670), (1067, 10300), (1100, 9991), (1133, 9700), (1940, 5665), (2060, 5335), (2134, 5150), (2266, 4850), (2425, 4532), (2575, 4268)]