28489450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:328

約数の個数: 72

約数和(自身を含む): 61894476

約数和(自身を除く): 33405026

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 121, 170, 187, 242, 275, 277, 374, 425, 550, 554, 605, 850, 935, 1210, 1385, 1870, 2057, 2770, 3025, 3047, 4114, 4675, 4709, 6050, 6094, 6925, 9350, 9418, 10285, 13850, 15235, 20570, 23545, 30470, 33517, 47090, 51425, 51799, 67034, 76175, 102850, 103598, 117725, 152350, 167585, 235450, 258995, 335170, 517990, 569789, 837925, 1139578, 1294975, 1675850, 2589950, 2848945, 5697890, 14244725, 28489450]

約数ペア:

[(1, 28489450), (2, 14244725), (5, 5697890), (10, 2848945), (11, 2589950), (17, 1675850), (22, 1294975), (25, 1139578), (34, 837925), (50, 569789), (55, 517990), (85, 335170), (110, 258995), (121, 235450), (170, 167585), (187, 152350), (242, 117725), (275, 103598), (277, 102850), (374, 76175), (425, 67034), (550, 51799), (554, 51425), (605, 47090), (850, 33517), (935, 30470), (1210, 23545), (1385, 20570), (1870, 15235), (2057, 13850), (2770, 10285), (3025, 9418), (3047, 9350), (4114, 6925), (4675, 6094), (4709, 6050)]