38848400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 120

約数和(自身を含む): 102750120

約数和(自身を除く): 63901720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 29, 34, 40, 50, 58, 68, 80, 85, 100, 116, 136, 145, 170, 197, 200, 232, 272, 290, 340, 394, 400, 425, 464, 493, 580, 680, 725, 788, 850, 985, 986, 1160, 1360, 1450, 1576, 1700, 1970, 1972, 2320, 2465, 2900, 3152, 3349, 3400, 3940, 3944, 4925, 4930, 5713, 5800, 6698, 6800, 7880, 7888, 9850, 9860, 11426, 11600, 12325, 13396, 15760, 16745, 19700, 19720, 22852, 24650, 26792, 28565, 33490, 39400, 39440, 45704, 49300, 53584, 57130, 66980, 78800, 83725, 91408, 97121, 98600, 114260, 133960, 142825, 167450, 194242, 197200, 228520, 267920, 285650, 334900, 388484, 457040, 485605, 571300, 669800, 776968, 971210, 1142600, 1339600, 1553936, 1942420, 2285200, 2428025, 3884840, 4856050, 7769680, 9712100, 19424200, 38848400]

約数ペア:

[(1, 38848400), (2, 19424200), (4, 9712100), (5, 7769680), (8, 4856050), (10, 3884840), (16, 2428025), (17, 2285200), (20, 1942420), (25, 1553936), (29, 1339600), (34, 1142600), (40, 971210), (50, 776968), (58, 669800), (68, 571300), (80, 485605), (85, 457040), (100, 388484), (116, 334900), (136, 285650), (145, 267920), (170, 228520), (197, 197200), (200, 194242), (232, 167450), (272, 142825), (290, 133960), (340, 114260), (394, 98600), (400, 97121), (425, 91408), (464, 83725), (493, 78800), (580, 66980), (680, 57130), (725, 53584), (788, 49300), (850, 45704), (985, 39440), (986, 39400), (1160, 33490), (1360, 28565), (1450, 26792), (1576, 24650), (1700, 22852), (1970, 19720), (1972, 19700), (2320, 16745), (2465, 15760), (2900, 13396), (3152, 12325), (3349, 11600), (3400, 11426), (3940, 9860), (3944, 9850), (4925, 7888), (4930, 7880), (5713, 6800), (5800, 6698)]