69748820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 149575440

約数和(自身を除く): 79826620

約数列:

[1, 2, 4, 5, 10, 20, 97, 157, 194, 229, 314, 388, 458, 485, 628, 785, 916, 970, 1145, 1570, 1940, 2290, 3140, 4580, 15229, 22213, 30458, 35953, 44426, 60916, 71906, 76145, 88852, 111065, 143812, 152290, 179765, 222130, 304580, 359530, 444260, 719060, 3487441, 6974882, 13949764, 17437205, 34874410, 69748820]

約数ペア:

[(1, 69748820), (2, 34874410), (4, 17437205), (5, 13949764), (10, 6974882), (20, 3487441), (97, 719060), (157, 444260), (194, 359530), (229, 304580), (314, 222130), (388, 179765), (458, 152290), (485, 143812), (628, 111065), (785, 88852), (916, 76145), (970, 71906), (1145, 60916), (1570, 44426), (1940, 35953), (2290, 30458), (3140, 22213), (4580, 15229)]