2019955125

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{2087}}^1$

素因数の和:2223

約数の個数: 64

約数和(自身を含む): 3517862400

約数和(自身を除く): 1497907275

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 89, 125, 145, 267, 375, 435, 445, 725, 1335, 2087, 2175, 2225, 2581, 3625, 6261, 6675, 7743, 10435, 10875, 11125, 12905, 31305, 33375, 38715, 52175, 60523, 64525, 156525, 181569, 185743, 193575, 260875, 302615, 322625, 557229, 782625, 907845, 928715, 967875, 1513075, 2786145, 4539225, 4643575, 5386547, 7565375, 13930725, 16159641, 22696125, 23217875, 26932735, 69653625, 80798205, 134663675, 403991025, 673318375, 2019955125]

約数ペア:

[(1, 2019955125), (3, 673318375), (5, 403991025), (15, 134663675), (25, 80798205), (29, 69653625), (75, 26932735), (87, 23217875), (89, 22696125), (125, 16159641), (145, 13930725), (267, 7565375), (375, 5386547), (435, 4643575), (445, 4539225), (725, 2786145), (1335, 1513075), (2087, 967875), (2175, 928715), (2225, 907845), (2581, 782625), (3625, 557229), (6261, 322625), (6675, 302615), (7743, 260875), (10435, 193575), (10875, 185743), (11125, 181569), (12905, 156525), (31305, 64525), (33375, 60523), (38715, 52175)]