66995900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{953}}^1$

素因数の和:1023

約数の個数: 72

約数和(自身を含む): 157333680

約数和(自身を除く): 90337780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 148, 185, 190, 370, 380, 475, 703, 740, 925, 950, 953, 1406, 1850, 1900, 1906, 2812, 3515, 3700, 3812, 4765, 7030, 9530, 14060, 17575, 18107, 19060, 23825, 35150, 35261, 36214, 47650, 70300, 70522, 72428, 90535, 95300, 141044, 176305, 181070, 352610, 362140, 452675, 669959, 705220, 881525, 905350, 1339918, 1763050, 1810700, 2679836, 3349795, 3526100, 6699590, 13399180, 16748975, 33497950, 66995900]

約数ペア:

[(1, 66995900), (2, 33497950), (4, 16748975), (5, 13399180), (10, 6699590), (19, 3526100), (20, 3349795), (25, 2679836), (37, 1810700), (38, 1763050), (50, 1339918), (74, 905350), (76, 881525), (95, 705220), (100, 669959), (148, 452675), (185, 362140), (190, 352610), (370, 181070), (380, 176305), (475, 141044), (703, 95300), (740, 90535), (925, 72428), (950, 70522), (953, 70300), (1406, 47650), (1850, 36214), (1900, 35261), (1906, 35150), (2812, 23825), (3515, 19060), (3700, 18107), (3812, 17575), (4765, 14060), (7030, 9530)]