79930400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:355

約数の個数: 144

約数和(自身を含む): 220485888

約数和(自身を除く): 140555488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 80, 88, 100, 110, 124, 155, 160, 176, 200, 220, 248, 275, 293, 310, 341, 352, 400, 440, 496, 550, 586, 620, 682, 775, 800, 880, 992, 1100, 1172, 1240, 1364, 1465, 1550, 1705, 1760, 2200, 2344, 2480, 2728, 2930, 3100, 3223, 3410, 4400, 4688, 4960, 5456, 5860, 6200, 6446, 6820, 7325, 8525, 8800, 9083, 9376, 10912, 11720, 12400, 12892, 13640, 14650, 16115, 17050, 18166, 23440, 24800, 25784, 27280, 29300, 32230, 34100, 36332, 45415, 46880, 51568, 54560, 58600, 64460, 68200, 72664, 80575, 90830, 99913, 103136, 117200, 128920, 136400, 145328, 161150, 181660, 199826, 227075, 234400, 257840, 272800, 290656, 322300, 363320, 399652, 454150, 499565, 515680, 644600, 726640, 799304, 908300, 999130, 1289200, 1453280, 1598608, 1816600, 1998260, 2497825, 2578400, 3197216, 3633200, 3996520, 4995650, 7266400, 7993040, 9991300, 15986080, 19982600, 39965200, 79930400]

約数ペア:

[(1, 79930400), (2, 39965200), (4, 19982600), (5, 15986080), (8, 9991300), (10, 7993040), (11, 7266400), (16, 4995650), (20, 3996520), (22, 3633200), (25, 3197216), (31, 2578400), (32, 2497825), (40, 1998260), (44, 1816600), (50, 1598608), (55, 1453280), (62, 1289200), (80, 999130), (88, 908300), (100, 799304), (110, 726640), (124, 644600), (155, 515680), (160, 499565), (176, 454150), (200, 399652), (220, 363320), (248, 322300), (275, 290656), (293, 272800), (310, 257840), (341, 234400), (352, 227075), (400, 199826), (440, 181660), (496, 161150), (550, 145328), (586, 136400), (620, 128920), (682, 117200), (775, 103136), (800, 99913), (880, 90830), (992, 80575), (1100, 72664), (1172, 68200), (1240, 64460), (1364, 58600), (1465, 54560), (1550, 51568), (1705, 46880), (1760, 45415), (2200, 36332), (2344, 34100), (2480, 32230), (2728, 29300), (2930, 27280), (3100, 25784), (3223, 24800), (3410, 23440), (4400, 18166), (4688, 17050), (4960, 16115), (5456, 14650), (5860, 13640), (6200, 12892), (6446, 12400), (6820, 11720), (7325, 10912), (8525, 9376), (8800, 9083)]