508701700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1559}}^1$

素因数の和:1837

約数の個数: 72

約数和(自身を含む): 1194298560

約数和(自身を除く): 685596860

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 251, 260, 325, 502, 650, 1004, 1255, 1300, 1559, 2510, 3118, 3263, 5020, 6236, 6275, 6526, 7795, 12550, 13052, 15590, 16315, 20267, 25100, 31180, 32630, 38975, 40534, 65260, 77950, 81068, 81575, 101335, 155900, 163150, 202670, 326300, 391309, 405340, 506675, 782618, 1013350, 1565236, 1956545, 2026700, 3913090, 5087017, 7826180, 9782725, 10174034, 19565450, 20348068, 25435085, 39130900, 50870170, 101740340, 127175425, 254350850, 508701700]

約数ペア:

[(1, 508701700), (2, 254350850), (4, 127175425), (5, 101740340), (10, 50870170), (13, 39130900), (20, 25435085), (25, 20348068), (26, 19565450), (50, 10174034), (52, 9782725), (65, 7826180), (100, 5087017), (130, 3913090), (251, 2026700), (260, 1956545), (325, 1565236), (502, 1013350), (650, 782618), (1004, 506675), (1255, 405340), (1300, 391309), (1559, 326300), (2510, 202670), (3118, 163150), (3263, 155900), (5020, 101335), (6236, 81575), (6275, 81068), (6526, 77950), (7795, 65260), (12550, 40534), (13052, 38975), (15590, 32630), (16315, 31180), (20267, 25100)]