203804900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{743}}^1$

素因数の和:981

約数の個数: 72

約数和(自身を含む): 479177664

約数和(自身を除く): 275372764

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 211, 260, 325, 422, 650, 743, 844, 1055, 1300, 1486, 2110, 2743, 2972, 3715, 4220, 5275, 5486, 7430, 9659, 10550, 10972, 13715, 14860, 18575, 19318, 21100, 27430, 37150, 38636, 48295, 54860, 68575, 74300, 96590, 137150, 156773, 193180, 241475, 274300, 313546, 482950, 627092, 783865, 965900, 1567730, 2038049, 3135460, 3919325, 4076098, 7838650, 8152196, 10190245, 15677300, 20380490, 40760980, 50951225, 101902450, 203804900]

約数ペア:

[(1, 203804900), (2, 101902450), (4, 50951225), (5, 40760980), (10, 20380490), (13, 15677300), (20, 10190245), (25, 8152196), (26, 7838650), (50, 4076098), (52, 3919325), (65, 3135460), (100, 2038049), (130, 1567730), (211, 965900), (260, 783865), (325, 627092), (422, 482950), (650, 313546), (743, 274300), (844, 241475), (1055, 193180), (1300, 156773), (1486, 137150), (2110, 96590), (2743, 74300), (2972, 68575), (3715, 54860), (4220, 48295), (5275, 38636), (5486, 37150), (7430, 27430), (9659, 21100), (10550, 19318), (10972, 18575), (13715, 14860)]