30178000

素因数分解:

$2^4\times 5^3\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:293

約数の個数: 80

約数和(自身を含む): 74280960

約数和(自身を除く): 44102960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 125, 158, 191, 200, 250, 316, 382, 395, 400, 500, 632, 764, 790, 955, 1000, 1264, 1528, 1580, 1910, 1975, 2000, 3056, 3160, 3820, 3950, 4775, 6320, 7640, 7900, 9550, 9875, 15089, 15280, 15800, 19100, 19750, 23875, 30178, 31600, 38200, 39500, 47750, 60356, 75445, 76400, 79000, 95500, 120712, 150890, 158000, 191000, 241424, 301780, 377225, 382000, 603560, 754450, 1207120, 1508900, 1886125, 3017800, 3772250, 6035600, 7544500, 15089000, 30178000]

約数ペア:

[(1, 30178000), (2, 15089000), (4, 7544500), (5, 6035600), (8, 3772250), (10, 3017800), (16, 1886125), (20, 1508900), (25, 1207120), (40, 754450), (50, 603560), (79, 382000), (80, 377225), (100, 301780), (125, 241424), (158, 191000), (191, 158000), (200, 150890), (250, 120712), (316, 95500), (382, 79000), (395, 76400), (400, 75445), (500, 60356), (632, 47750), (764, 39500), (790, 38200), (955, 31600), (1000, 30178), (1264, 23875), (1528, 19750), (1580, 19100), (1910, 15800), (1975, 15280), (2000, 15089), (3056, 9875), (3160, 9550), (3820, 7900), (3950, 7640), (4775, 6320)]