207569920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:667

約数の個数: 88

約数和(自身を含む): 505821888

約数和(自身を除く): 298251968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 512, 568, 571, 640, 710, 1024, 1136, 1142, 1280, 1420, 2272, 2284, 2560, 2840, 2855, 4544, 4568, 5120, 5680, 5710, 9088, 9136, 11360, 11420, 18176, 18272, 22720, 22840, 36352, 36544, 40541, 45440, 45680, 72704, 73088, 81082, 90880, 91360, 146176, 162164, 181760, 182720, 202705, 292352, 324328, 363520, 365440, 405410, 584704, 648656, 730880, 810820, 1297312, 1461760, 1621640, 2594624, 2923520, 3243280, 5189248, 6486560, 10378496, 12973120, 20756992, 25946240, 41513984, 51892480, 103784960, 207569920]

約数ペア:

[(1, 207569920), (2, 103784960), (4, 51892480), (5, 41513984), (8, 25946240), (10, 20756992), (16, 12973120), (20, 10378496), (32, 6486560), (40, 5189248), (64, 3243280), (71, 2923520), (80, 2594624), (128, 1621640), (142, 1461760), (160, 1297312), (256, 810820), (284, 730880), (320, 648656), (355, 584704), (512, 405410), (568, 365440), (571, 363520), (640, 324328), (710, 292352), (1024, 202705), (1136, 182720), (1142, 181760), (1280, 162164), (1420, 146176), (2272, 91360), (2284, 90880), (2560, 81082), (2840, 73088), (2855, 72704), (4544, 45680), (4568, 45440), (5120, 40541), (5680, 36544), (5710, 36352), (9088, 22840), (9136, 22720), (11360, 18272), (11420, 18176)]