1949071775

素因数分解:

$5^2\times 7^4\times {\mathrm{19}}^1\times {\mathrm{1709}}^1$

素因数の和:1766

約数の個数: 60

約数和(自身を含む): 2969620200

約数和(自身を除く): 1020548425

約数列:

[1, 5, 7, 19, 25, 35, 49, 95, 133, 175, 245, 343, 475, 665, 931, 1225, 1709, 1715, 2401, 3325, 4655, 6517, 8545, 8575, 11963, 12005, 23275, 32471, 32585, 42725, 45619, 59815, 60025, 83741, 162355, 162925, 227297, 228095, 299075, 418705, 586187, 811775, 1136485, 1140475, 1591079, 2093525, 2930935, 4103309, 5682425, 7955395, 11137553, 14654675, 20516545, 39776975, 55687765, 77962871, 102582725, 278438825, 389814355, 1949071775]

約数ペア:

[(1, 1949071775), (5, 389814355), (7, 278438825), (19, 102582725), (25, 77962871), (35, 55687765), (49, 39776975), (95, 20516545), (133, 14654675), (175, 11137553), (245, 7955395), (343, 5682425), (475, 4103309), (665, 2930935), (931, 2093525), (1225, 1591079), (1709, 1140475), (1715, 1136485), (2401, 811775), (3325, 586187), (4655, 418705), (6517, 299075), (8545, 228095), (8575, 227297), (11963, 162925), (12005, 162355), (23275, 83741), (32471, 60025), (32585, 59815), (42725, 45619)]