2198961700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{1907}}^1$

素因数の和:2821

約数の個数: 72

約数和(自身を含む): 5147295552

約数和(自身を除く): 2948333852

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 887, 1300, 1774, 1907, 3548, 3814, 4435, 7628, 8870, 9535, 11531, 17740, 19070, 22175, 23062, 24791, 38140, 44350, 46124, 47675, 49582, 57655, 88700, 95350, 99164, 115310, 123955, 190700, 230620, 247910, 288275, 495820, 576550, 619775, 1153100, 1239550, 1691509, 2479100, 3383018, 6766036, 8457545, 16915090, 21989617, 33830180, 42287725, 43979234, 84575450, 87958468, 109948085, 169150900, 219896170, 439792340, 549740425, 1099480850, 2198961700]

約数ペア:

[(1, 2198961700), (2, 1099480850), (4, 549740425), (5, 439792340), (10, 219896170), (13, 169150900), (20, 109948085), (25, 87958468), (26, 84575450), (50, 43979234), (52, 42287725), (65, 33830180), (100, 21989617), (130, 16915090), (260, 8457545), (325, 6766036), (650, 3383018), (887, 2479100), (1300, 1691509), (1774, 1239550), (1907, 1153100), (3548, 619775), (3814, 576550), (4435, 495820), (7628, 288275), (8870, 247910), (9535, 230620), (11531, 190700), (17740, 123955), (19070, 115310), (22175, 99164), (23062, 95350), (24791, 88700), (38140, 57655), (44350, 49582), (46124, 47675)]