89847890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2089}}^1$

素因数の和:2147

約数の個数: 64

約数和(自身を含む): 195022080

約数和(自身を除く): 105174190

約数列:

[1, 2, 5, 10, 11, 17, 22, 23, 34, 46, 55, 85, 110, 115, 170, 187, 230, 253, 374, 391, 506, 782, 935, 1265, 1870, 1955, 2089, 2530, 3910, 4178, 4301, 8602, 10445, 20890, 21505, 22979, 35513, 43010, 45958, 48047, 71026, 96094, 114895, 177565, 229790, 240235, 355130, 390643, 480470, 528517, 781286, 816799, 1057034, 1633598, 1953215, 2642585, 3906430, 4083995, 5285170, 8167990, 8984789, 17969578, 44923945, 89847890]

約数ペア:

[(1, 89847890), (2, 44923945), (5, 17969578), (10, 8984789), (11, 8167990), (17, 5285170), (22, 4083995), (23, 3906430), (34, 2642585), (46, 1953215), (55, 1633598), (85, 1057034), (110, 816799), (115, 781286), (170, 528517), (187, 480470), (230, 390643), (253, 355130), (374, 240235), (391, 229790), (506, 177565), (782, 114895), (935, 96094), (1265, 71026), (1870, 48047), (1955, 45958), (2089, 43010), (2530, 35513), (3910, 22979), (4178, 21505), (4301, 20890), (8602, 10445)]