78076600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 218825280

約数和(自身を除く): 140748680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 98, 100, 124, 140, 155, 175, 196, 200, 217, 245, 248, 257, 280, 310, 350, 392, 434, 490, 514, 620, 700, 775, 868, 980, 1028, 1085, 1225, 1240, 1285, 1400, 1519, 1550, 1736, 1799, 1960, 2056, 2170, 2450, 2570, 3038, 3100, 3598, 4340, 4900, 5140, 5425, 6076, 6200, 6425, 7196, 7595, 7967, 8680, 8995, 9800, 10280, 10850, 12152, 12593, 12850, 14392, 15190, 15934, 17990, 21700, 25186, 25700, 30380, 31868, 35980, 37975, 39835, 43400, 44975, 50372, 51400, 55769, 60760, 62965, 63736, 71960, 75950, 79670, 89950, 100744, 111538, 125930, 151900, 159340, 179900, 199175, 223076, 251860, 278845, 303800, 314825, 318680, 359800, 390383, 398350, 446152, 503720, 557690, 629650, 780766, 796700, 1115380, 1259300, 1394225, 1561532, 1593400, 1951915, 2230760, 2518600, 2788450, 3123064, 3903830, 5576900, 7807660, 9759575, 11153800, 15615320, 19519150, 39038300, 78076600]

約数ペア:

[(1, 78076600), (2, 39038300), (4, 19519150), (5, 15615320), (7, 11153800), (8, 9759575), (10, 7807660), (14, 5576900), (20, 3903830), (25, 3123064), (28, 2788450), (31, 2518600), (35, 2230760), (40, 1951915), (49, 1593400), (50, 1561532), (56, 1394225), (62, 1259300), (70, 1115380), (98, 796700), (100, 780766), (124, 629650), (140, 557690), (155, 503720), (175, 446152), (196, 398350), (200, 390383), (217, 359800), (245, 318680), (248, 314825), (257, 303800), (280, 278845), (310, 251860), (350, 223076), (392, 199175), (434, 179900), (490, 159340), (514, 151900), (620, 125930), (700, 111538), (775, 100744), (868, 89950), (980, 79670), (1028, 75950), (1085, 71960), (1225, 63736), (1240, 62965), (1285, 60760), (1400, 55769), (1519, 51400), (1550, 50372), (1736, 44975), (1799, 43400), (1960, 39835), (2056, 37975), (2170, 35980), (2450, 31868), (2570, 30380), (3038, 25700), (3100, 25186), (3598, 21700), (4340, 17990), (4900, 15934), (5140, 15190), (5425, 14392), (6076, 12850), (6200, 12593), (6425, 12152), (7196, 10850), (7595, 10280), (7967, 9800), (8680, 8995)]