207901840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2591}}^1$

素因数の和:2680

約数の個数: 80

約数和(自身を含む): 520680960

約数和(自身を除く): 312779120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 59, 68, 80, 85, 118, 136, 170, 236, 272, 295, 340, 472, 590, 680, 944, 1003, 1180, 1360, 2006, 2360, 2591, 4012, 4720, 5015, 5182, 8024, 10030, 10364, 12955, 16048, 20060, 20728, 25910, 40120, 41456, 44047, 51820, 80240, 88094, 103640, 152869, 176188, 207280, 220235, 305738, 352376, 440470, 611476, 704752, 764345, 880940, 1222952, 1528690, 1761880, 2445904, 2598773, 3057380, 3523760, 5197546, 6114760, 10395092, 12229520, 12993865, 20790184, 25987730, 41580368, 51975460, 103950920, 207901840]

約数ペア:

[(1, 207901840), (2, 103950920), (4, 51975460), (5, 41580368), (8, 25987730), (10, 20790184), (16, 12993865), (17, 12229520), (20, 10395092), (34, 6114760), (40, 5197546), (59, 3523760), (68, 3057380), (80, 2598773), (85, 2445904), (118, 1761880), (136, 1528690), (170, 1222952), (236, 880940), (272, 764345), (295, 704752), (340, 611476), (472, 440470), (590, 352376), (680, 305738), (944, 220235), (1003, 207280), (1180, 176188), (1360, 152869), (2006, 103640), (2360, 88094), (2591, 80240), (4012, 51820), (4720, 44047), (5015, 41456), (5182, 40120), (8024, 25910), (10030, 20728), (10364, 20060), (12955, 16048)]