84407125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 127775232

約数和(自身を除く): 43368107

約数列:

[1, 5, 11, 17, 23, 25, 55, 85, 115, 125, 157, 187, 253, 275, 391, 425, 575, 785, 935, 1265, 1375, 1727, 1955, 2125, 2669, 2875, 3611, 3925, 4301, 4675, 6325, 8635, 9775, 13345, 18055, 19625, 21505, 23375, 29359, 31625, 39721, 43175, 48875, 61387, 66725, 90275, 107525, 146795, 198605, 215875, 306935, 333625, 451375, 537625, 675257, 733975, 993025, 1534675, 3376285, 3669875, 4965125, 7673375, 16881425, 84407125]

約数ペア:

[(1, 84407125), (5, 16881425), (11, 7673375), (17, 4965125), (23, 3669875), (25, 3376285), (55, 1534675), (85, 993025), (115, 733975), (125, 675257), (157, 537625), (187, 451375), (253, 333625), (275, 306935), (391, 215875), (425, 198605), (575, 146795), (785, 107525), (935, 90275), (1265, 66725), (1375, 61387), (1727, 48875), (1955, 43175), (2125, 39721), (2669, 31625), (2875, 29359), (3611, 23375), (3925, 21505), (4301, 19625), (4675, 18055), (6325, 13345), (8635, 9775)]