81935150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{467}}^1$

素因数の和:530

約数の個数: 72

約数和(自身を含む): 173660760

約数和(自身を除く): 91725610

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 110, 121, 145, 242, 275, 290, 319, 467, 550, 605, 638, 725, 934, 1210, 1450, 1595, 2335, 3025, 3190, 3509, 4670, 5137, 6050, 7018, 7975, 10274, 11675, 13543, 15950, 17545, 23350, 25685, 27086, 35090, 51370, 56507, 67715, 87725, 113014, 128425, 135430, 148973, 175450, 256850, 282535, 297946, 338575, 565070, 677150, 744865, 1412675, 1489730, 1638703, 2825350, 3277406, 3724325, 7448650, 8193515, 16387030, 40967575, 81935150]

約数ペア:

[(1, 81935150), (2, 40967575), (5, 16387030), (10, 8193515), (11, 7448650), (22, 3724325), (25, 3277406), (29, 2825350), (50, 1638703), (55, 1489730), (58, 1412675), (110, 744865), (121, 677150), (145, 565070), (242, 338575), (275, 297946), (290, 282535), (319, 256850), (467, 175450), (550, 148973), (605, 135430), (638, 128425), (725, 113014), (934, 87725), (1210, 67715), (1450, 56507), (1595, 51370), (2335, 35090), (3025, 27086), (3190, 25685), (3509, 23350), (4670, 17545), (5137, 15950), (6050, 13543), (7018, 11675), (7975, 10274)]