308212480

素因数分解:

$2^8\times 5^1\times {\mathrm{389}}^1\times {\mathrm{619}}^1$

素因数の和:1029

約数の個数: 72

約数和(自身を含む): 741358800

約数和(自身を除く): 433146320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 389, 619, 640, 778, 1238, 1280, 1556, 1945, 2476, 3095, 3112, 3890, 4952, 6190, 6224, 7780, 9904, 12380, 12448, 15560, 19808, 24760, 24896, 31120, 39616, 49520, 49792, 62240, 79232, 99040, 99584, 124480, 158464, 198080, 240791, 248960, 396160, 481582, 497920, 792320, 963164, 1203955, 1926328, 2407910, 3852656, 4815820, 7705312, 9631640, 15410624, 19263280, 30821248, 38526560, 61642496, 77053120, 154106240, 308212480]

約数ペア:

[(1, 308212480), (2, 154106240), (4, 77053120), (5, 61642496), (8, 38526560), (10, 30821248), (16, 19263280), (20, 15410624), (32, 9631640), (40, 7705312), (64, 4815820), (80, 3852656), (128, 2407910), (160, 1926328), (256, 1203955), (320, 963164), (389, 792320), (619, 497920), (640, 481582), (778, 396160), (1238, 248960), (1280, 240791), (1556, 198080), (1945, 158464), (2476, 124480), (3095, 99584), (3112, 99040), (3890, 79232), (4952, 62240), (6190, 49792), (6224, 49520), (7780, 39616), (9904, 31120), (12380, 24896), (12448, 24760), (15560, 19808)]