74784955

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 115568640

約数和(自身を除く): 40783685

約数列:

[1, 5, 7, 17, 35, 37, 43, 79, 85, 119, 185, 215, 259, 301, 395, 553, 595, 629, 731, 1295, 1343, 1505, 1591, 2765, 2923, 3145, 3397, 3655, 4403, 5117, 6715, 7955, 9401, 11137, 14615, 16985, 20461, 22015, 23779, 25585, 27047, 47005, 49691, 55685, 57749, 102305, 118895, 125689, 135235, 189329, 248455, 288745, 347837, 404243, 628445, 879823, 946645, 1739185, 2021215, 2136713, 4399115, 10683565, 14956991, 74784955]

約数ペア:

[(1, 74784955), (5, 14956991), (7, 10683565), (17, 4399115), (35, 2136713), (37, 2021215), (43, 1739185), (79, 946645), (85, 879823), (119, 628445), (185, 404243), (215, 347837), (259, 288745), (301, 248455), (395, 189329), (553, 135235), (595, 125689), (629, 118895), (731, 102305), (1295, 57749), (1343, 55685), (1505, 49691), (1591, 47005), (2765, 27047), (2923, 25585), (3145, 23779), (3397, 22015), (3655, 20461), (4403, 16985), (5117, 14615), (6715, 11137), (7955, 9401)]