30988000

素因数分解:

$2^5\times 5^3\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 77995008

約数和(自身を除く): 47007008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 80, 100, 122, 125, 127, 160, 200, 244, 250, 254, 305, 400, 488, 500, 508, 610, 635, 800, 976, 1000, 1016, 1220, 1270, 1525, 1952, 2000, 2032, 2440, 2540, 3050, 3175, 4000, 4064, 4880, 5080, 6100, 6350, 7625, 7747, 9760, 10160, 12200, 12700, 15250, 15494, 15875, 20320, 24400, 25400, 30500, 30988, 31750, 38735, 48800, 50800, 61000, 61976, 63500, 77470, 101600, 122000, 123952, 127000, 154940, 193675, 244000, 247904, 254000, 309880, 387350, 508000, 619760, 774700, 968375, 1239520, 1549400, 1936750, 3098800, 3873500, 6197600, 7747000, 15494000, 30988000]

約数ペア:

[(1, 30988000), (2, 15494000), (4, 7747000), (5, 6197600), (8, 3873500), (10, 3098800), (16, 1936750), (20, 1549400), (25, 1239520), (32, 968375), (40, 774700), (50, 619760), (61, 508000), (80, 387350), (100, 309880), (122, 254000), (125, 247904), (127, 244000), (160, 193675), (200, 154940), (244, 127000), (250, 123952), (254, 122000), (305, 101600), (400, 77470), (488, 63500), (500, 61976), (508, 61000), (610, 50800), (635, 48800), (800, 38735), (976, 31750), (1000, 30988), (1016, 30500), (1220, 25400), (1270, 24400), (1525, 20320), (1952, 15875), (2000, 15494), (2032, 15250), (2440, 12700), (2540, 12200), (3050, 10160), (3175, 9760), (4000, 7747), (4064, 7625), (4880, 6350), (5080, 6100)]