19792500

素因数分解:

$2^2\times 3^1\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:76

約数の個数: 240

約数和(自身を含む): 73476480

約数和(自身を除く): 53683980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 29, 30, 35, 39, 42, 50, 52, 58, 60, 65, 70, 75, 78, 84, 87, 91, 100, 105, 116, 125, 130, 140, 145, 150, 156, 174, 175, 182, 195, 203, 210, 250, 260, 273, 290, 300, 325, 348, 350, 364, 375, 377, 390, 406, 420, 435, 455, 500, 525, 546, 580, 609, 625, 650, 700, 725, 750, 754, 780, 812, 870, 875, 910, 975, 1015, 1050, 1092, 1131, 1218, 1250, 1300, 1365, 1450, 1500, 1508, 1625, 1740, 1750, 1820, 1875, 1885, 1950, 2030, 2100, 2175, 2262, 2275, 2436, 2500, 2625, 2639, 2730, 2900, 3045, 3250, 3500, 3625, 3750, 3770, 3900, 4060, 4350, 4375, 4524, 4550, 4875, 5075, 5250, 5278, 5460, 5655, 6090, 6500, 6825, 7250, 7500, 7540, 7917, 8125, 8700, 8750, 9100, 9425, 9750, 10150, 10500, 10556, 10875, 11310, 11375, 12180, 13125, 13195, 13650, 14500, 15225, 15834, 16250, 17500, 18125, 18850, 19500, 20300, 21750, 22620, 22750, 24375, 25375, 26250, 26390, 27300, 28275, 30450, 31668, 32500, 34125, 36250, 37700, 39585, 43500, 45500, 47125, 48750, 50750, 52500, 52780, 54375, 56550, 56875, 60900, 65975, 68250, 72500, 76125, 79170, 94250, 97500, 101500, 108750, 113100, 113750, 126875, 131950, 136500, 141375, 152250, 158340, 170625, 188500, 197925, 217500, 227500, 235625, 253750, 263900, 282750, 304500, 329875, 341250, 380625, 395850, 471250, 507500, 565500, 659750, 682500, 706875, 761250, 791700, 942500, 989625, 1319500, 1413750, 1522500, 1649375, 1979250, 2827500, 3298750, 3958500, 4948125, 6597500, 9896250, 19792500]

約数ペア:

[(1, 19792500), (2, 9896250), (3, 6597500), (4, 4948125), (5, 3958500), (6, 3298750), (7, 2827500), (10, 1979250), (12, 1649375), (13, 1522500), (14, 1413750), (15, 1319500), (20, 989625), (21, 942500), (25, 791700), (26, 761250), (28, 706875), (29, 682500), (30, 659750), (35, 565500), (39, 507500), (42, 471250), (50, 395850), (52, 380625), (58, 341250), (60, 329875), (65, 304500), (70, 282750), (75, 263900), (78, 253750), (84, 235625), (87, 227500), (91, 217500), (100, 197925), (105, 188500), (116, 170625), (125, 158340), (130, 152250), (140, 141375), (145, 136500), (150, 131950), (156, 126875), (174, 113750), (175, 113100), (182, 108750), (195, 101500), (203, 97500), (210, 94250), (250, 79170), (260, 76125), (273, 72500), (290, 68250), (300, 65975), (325, 60900), (348, 56875), (350, 56550), (364, 54375), (375, 52780), (377, 52500), (390, 50750), (406, 48750), (420, 47125), (435, 45500), (455, 43500), (500, 39585), (525, 37700), (546, 36250), (580, 34125), (609, 32500), (625, 31668), (650, 30450), (700, 28275), (725, 27300), (750, 26390), (754, 26250), (780, 25375), (812, 24375), (870, 22750), (875, 22620), (910, 21750), (975, 20300), (1015, 19500), (1050, 18850), (1092, 18125), (1131, 17500), (1218, 16250), (1250, 15834), (1300, 15225), (1365, 14500), (1450, 13650), (1500, 13195), (1508, 13125), (1625, 12180), (1740, 11375), (1750, 11310), (1820, 10875), (1875, 10556), (1885, 10500), (1950, 10150), (2030, 9750), (2100, 9425), (2175, 9100), (2262, 8750), (2275, 8700), (2436, 8125), (2500, 7917), (2625, 7540), (2639, 7500), (2730, 7250), (2900, 6825), (3045, 6500), (3250, 6090), (3500, 5655), (3625, 5460), (3750, 5278), (3770, 5250), (3900, 5075), (4060, 4875), (4350, 4550), (4375, 4524)]