28356350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:186

約数の個数: 72

約数和(自身を含む): 59865960

約数和(自身を除く): 31509610

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 86, 109, 110, 121, 215, 218, 242, 275, 430, 473, 545, 550, 605, 946, 1075, 1090, 1199, 1210, 2150, 2365, 2398, 2725, 3025, 4687, 4730, 5203, 5450, 5995, 6050, 9374, 10406, 11825, 11990, 13189, 23435, 23650, 26015, 26378, 29975, 46870, 51557, 52030, 59950, 65945, 103114, 117175, 130075, 131890, 234350, 257785, 260150, 329725, 515570, 567127, 659450, 1134254, 1288925, 2577850, 2835635, 5671270, 14178175, 28356350]

約数ペア:

[(1, 28356350), (2, 14178175), (5, 5671270), (10, 2835635), (11, 2577850), (22, 1288925), (25, 1134254), (43, 659450), (50, 567127), (55, 515570), (86, 329725), (109, 260150), (110, 257785), (121, 234350), (215, 131890), (218, 130075), (242, 117175), (275, 103114), (430, 65945), (473, 59950), (545, 52030), (550, 51557), (605, 46870), (946, 29975), (1075, 26378), (1090, 26015), (1199, 23650), (1210, 23435), (2150, 13189), (2365, 11990), (2398, 11825), (2725, 10406), (3025, 9374), (4687, 6050), (4730, 5995), (5203, 5450)]