72439600

素因数分解:

$2^4\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1867}}^1$

素因数の和:1982

約数の個数: 60

約数和(自身を含む): 175924504

約数和(自身を除く): 103484904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 97, 100, 194, 200, 388, 400, 485, 776, 970, 1552, 1867, 1940, 2425, 3734, 3880, 4850, 7468, 7760, 9335, 9700, 14936, 18670, 19400, 29872, 37340, 38800, 46675, 74680, 93350, 149360, 181099, 186700, 362198, 373400, 724396, 746800, 905495, 1448792, 1810990, 2897584, 3621980, 4527475, 7243960, 9054950, 14487920, 18109900, 36219800, 72439600]

約数ペア:

[(1, 72439600), (2, 36219800), (4, 18109900), (5, 14487920), (8, 9054950), (10, 7243960), (16, 4527475), (20, 3621980), (25, 2897584), (40, 1810990), (50, 1448792), (80, 905495), (97, 746800), (100, 724396), (194, 373400), (200, 362198), (388, 186700), (400, 181099), (485, 149360), (776, 93350), (970, 74680), (1552, 46675), (1867, 38800), (1940, 37340), (2425, 29872), (3734, 19400), (3880, 18670), (4850, 14936), (7468, 9700), (7760, 9335)]