77860100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1029

約数の個数: 72

約数和(自身を含む): 182175840

約数和(自身を除く): 104315740

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 215, 380, 430, 475, 817, 860, 950, 953, 1075, 1634, 1900, 1906, 2150, 3268, 3812, 4085, 4300, 4765, 8170, 9530, 16340, 18107, 19060, 20425, 23825, 36214, 40850, 40979, 47650, 72428, 81700, 81958, 90535, 95300, 163916, 181070, 204895, 362140, 409790, 452675, 778601, 819580, 905350, 1024475, 1557202, 1810700, 2048950, 3114404, 3893005, 4097900, 7786010, 15572020, 19465025, 38930050, 77860100]

約数ペア:

[(1, 77860100), (2, 38930050), (4, 19465025), (5, 15572020), (10, 7786010), (19, 4097900), (20, 3893005), (25, 3114404), (38, 2048950), (43, 1810700), (50, 1557202), (76, 1024475), (86, 905350), (95, 819580), (100, 778601), (172, 452675), (190, 409790), (215, 362140), (380, 204895), (430, 181070), (475, 163916), (817, 95300), (860, 90535), (950, 81958), (953, 81700), (1075, 72428), (1634, 47650), (1900, 40979), (1906, 40850), (2150, 36214), (3268, 23825), (3812, 20425), (4085, 19060), (4300, 18107), (4765, 16340), (8170, 9530)]