4791640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 12513600

約数和(自身を除く): 7721960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 157, 218, 280, 314, 436, 545, 628, 763, 785, 872, 1090, 1099, 1256, 1526, 1570, 2180, 2198, 3052, 3140, 3815, 4360, 4396, 5495, 6104, 6280, 7630, 8792, 10990, 15260, 17113, 21980, 30520, 34226, 43960, 68452, 85565, 119791, 136904, 171130, 239582, 342260, 479164, 598955, 684520, 958328, 1197910, 2395820, 4791640]

約数ペア:

[(1, 4791640), (2, 2395820), (4, 1197910), (5, 958328), (7, 684520), (8, 598955), (10, 479164), (14, 342260), (20, 239582), (28, 171130), (35, 136904), (40, 119791), (56, 85565), (70, 68452), (109, 43960), (140, 34226), (157, 30520), (218, 21980), (280, 17113), (314, 15260), (436, 10990), (545, 8792), (628, 7630), (763, 6280), (785, 6104), (872, 5495), (1090, 4396), (1099, 4360), (1256, 3815), (1526, 3140), (1570, 3052), (2180, 2198)]