308911900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9059}}^1$

素因数の和:9115

約数の個数: 72

約数和(自身を含む): 754951680

約数和(自身を除く): 446039780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 275, 310, 341, 550, 620, 682, 775, 1100, 1364, 1550, 1705, 3100, 3410, 6820, 8525, 9059, 17050, 18118, 34100, 36236, 45295, 90590, 99649, 181180, 199298, 226475, 280829, 398596, 452950, 498245, 561658, 905900, 996490, 1123316, 1404145, 1992980, 2491225, 2808290, 3089119, 4982450, 5616580, 6178238, 7020725, 9964900, 12356476, 14041450, 15445595, 28082900, 30891190, 61782380, 77227975, 154455950, 308911900]

約数ペア:

[(1, 308911900), (2, 154455950), (4, 77227975), (5, 61782380), (10, 30891190), (11, 28082900), (20, 15445595), (22, 14041450), (25, 12356476), (31, 9964900), (44, 7020725), (50, 6178238), (55, 5616580), (62, 4982450), (100, 3089119), (110, 2808290), (124, 2491225), (155, 1992980), (220, 1404145), (275, 1123316), (310, 996490), (341, 905900), (550, 561658), (620, 498245), (682, 452950), (775, 398596), (1100, 280829), (1364, 226475), (1550, 199298), (1705, 181180), (3100, 99649), (3410, 90590), (6820, 45295), (8525, 36236), (9059, 34100), (17050, 18118)]