199866420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:503

約数の個数: 192

約数和(自身を含む): 680762880

約数和(自身を除く): 480896460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 71, 78, 90, 108, 117, 130, 135, 142, 156, 180, 195, 213, 234, 260, 270, 284, 351, 355, 390, 401, 426, 468, 540, 585, 639, 702, 710, 780, 802, 852, 923, 1065, 1170, 1203, 1278, 1404, 1420, 1604, 1755, 1846, 1917, 2005, 2130, 2340, 2406, 2556, 2769, 3195, 3510, 3609, 3692, 3834, 4010, 4260, 4615, 4812, 5213, 5538, 6015, 6390, 7020, 7218, 7668, 8020, 8307, 9230, 9585, 10426, 10827, 11076, 12030, 12780, 13845, 14436, 15639, 16614, 18045, 18460, 19170, 20852, 21654, 24060, 24921, 26065, 27690, 28471, 31278, 33228, 36090, 38340, 41535, 43308, 46917, 49842, 52130, 54135, 55380, 56942, 62556, 72180, 78195, 83070, 85413, 93834, 99684, 104260, 108270, 113884, 124605, 140751, 142355, 156390, 166140, 170826, 187668, 216540, 234585, 249210, 256239, 281502, 284710, 312780, 341652, 370123, 427065, 469170, 498420, 512478, 563004, 569420, 703755, 740246, 768717, 854130, 938340, 1024956, 1110369, 1281195, 1407510, 1480492, 1537434, 1708260, 1850615, 2220738, 2562390, 2815020, 3074868, 3331107, 3701230, 3843585, 4441476, 5124780, 5551845, 6662214, 7402460, 7687170, 9993321, 11103690, 13324428, 15374340, 16655535, 19986642, 22207380, 33311070, 39973284, 49966605, 66622140, 99933210, 199866420]

約数ペア:

[(1, 199866420), (2, 99933210), (3, 66622140), (4, 49966605), (5, 39973284), (6, 33311070), (9, 22207380), (10, 19986642), (12, 16655535), (13, 15374340), (15, 13324428), (18, 11103690), (20, 9993321), (26, 7687170), (27, 7402460), (30, 6662214), (36, 5551845), (39, 5124780), (45, 4441476), (52, 3843585), (54, 3701230), (60, 3331107), (65, 3074868), (71, 2815020), (78, 2562390), (90, 2220738), (108, 1850615), (117, 1708260), (130, 1537434), (135, 1480492), (142, 1407510), (156, 1281195), (180, 1110369), (195, 1024956), (213, 938340), (234, 854130), (260, 768717), (270, 740246), (284, 703755), (351, 569420), (355, 563004), (390, 512478), (401, 498420), (426, 469170), (468, 427065), (540, 370123), (585, 341652), (639, 312780), (702, 284710), (710, 281502), (780, 256239), (802, 249210), (852, 234585), (923, 216540), (1065, 187668), (1170, 170826), (1203, 166140), (1278, 156390), (1404, 142355), (1420, 140751), (1604, 124605), (1755, 113884), (1846, 108270), (1917, 104260), (2005, 99684), (2130, 93834), (2340, 85413), (2406, 83070), (2556, 78195), (2769, 72180), (3195, 62556), (3510, 56942), (3609, 55380), (3692, 54135), (3834, 52130), (4010, 49842), (4260, 46917), (4615, 43308), (4812, 41535), (5213, 38340), (5538, 36090), (6015, 33228), (6390, 31278), (7020, 28471), (7218, 27690), (7668, 26065), (8020, 24921), (8307, 24060), (9230, 21654), (9585, 20852), (10426, 19170), (10827, 18460), (11076, 18045), (12030, 16614), (12780, 15639), (13845, 14436)]