28131450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^2\times {\mathrm{223}}^1$

素因数の和:296

約数の個数: 72

約数和(自身を含む): 72578688

約数和(自身を除く): 44447238

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 145, 150, 174, 223, 290, 435, 446, 669, 725, 841, 870, 1115, 1338, 1450, 1682, 2175, 2230, 2523, 3345, 4205, 4350, 5046, 5575, 6467, 6690, 8410, 11150, 12615, 12934, 16725, 19401, 21025, 25230, 32335, 33450, 38802, 42050, 63075, 64670, 97005, 126150, 161675, 187543, 194010, 323350, 375086, 485025, 562629, 937715, 970050, 1125258, 1875430, 2813145, 4688575, 5626290, 9377150, 14065725, 28131450]

約数ペア:

[(1, 28131450), (2, 14065725), (3, 9377150), (5, 5626290), (6, 4688575), (10, 2813145), (15, 1875430), (25, 1125258), (29, 970050), (30, 937715), (50, 562629), (58, 485025), (75, 375086), (87, 323350), (145, 194010), (150, 187543), (174, 161675), (223, 126150), (290, 97005), (435, 64670), (446, 63075), (669, 42050), (725, 38802), (841, 33450), (870, 32335), (1115, 25230), (1338, 21025), (1450, 19401), (1682, 16725), (2175, 12934), (2230, 12615), (2523, 11150), (3345, 8410), (4205, 6690), (4350, 6467), (5046, 5575)]