129334850

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 246412800

約数和(自身を除く): 117077950

約数列:

[1, 2, 5, 10, 25, 50, 79, 137, 158, 239, 274, 395, 478, 685, 790, 1195, 1370, 1975, 2390, 3425, 3950, 5975, 6850, 10823, 11950, 18881, 21646, 32743, 37762, 54115, 65486, 94405, 108230, 163715, 188810, 270575, 327430, 472025, 541150, 818575, 944050, 1637150, 2586697, 5173394, 12933485, 25866970, 64667425, 129334850]

約数ペア:

[(1, 129334850), (2, 64667425), (5, 25866970), (10, 12933485), (25, 5173394), (50, 2586697), (79, 1637150), (137, 944050), (158, 818575), (239, 541150), (274, 472025), (395, 327430), (478, 270575), (685, 188810), (790, 163715), (1195, 108230), (1370, 94405), (1975, 65486), (2390, 54115), (3425, 37762), (3950, 32743), (5975, 21646), (6850, 18881), (10823, 11950)]