197943680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:968

約数の個数: 128

約数和(自身を含む): 533468160

約数和(自身を除く): 335524480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 640, 682, 704, 880, 907, 992, 1240, 1364, 1408, 1705, 1760, 1814, 1984, 2480, 2728, 3410, 3520, 3628, 3968, 4535, 4960, 5456, 6820, 7040, 7256, 9070, 9920, 9977, 10912, 13640, 14512, 18140, 19840, 19954, 21824, 27280, 28117, 29024, 36280, 39908, 43648, 49885, 54560, 56234, 58048, 72560, 79816, 99770, 109120, 112468, 116096, 140585, 145120, 159632, 199540, 218240, 224936, 281170, 290240, 309287, 319264, 399080, 449872, 562340, 580480, 618574, 638528, 798160, 899744, 1124680, 1237148, 1277056, 1546435, 1596320, 1799488, 2249360, 2474296, 3092870, 3192640, 3598976, 4498720, 4948592, 6185740, 6385280, 8997440, 9897184, 12371480, 17994880, 19794368, 24742960, 39588736, 49485920, 98971840, 197943680]

約数ペア:

[(1, 197943680), (2, 98971840), (4, 49485920), (5, 39588736), (8, 24742960), (10, 19794368), (11, 17994880), (16, 12371480), (20, 9897184), (22, 8997440), (31, 6385280), (32, 6185740), (40, 4948592), (44, 4498720), (55, 3598976), (62, 3192640), (64, 3092870), (80, 2474296), (88, 2249360), (110, 1799488), (124, 1596320), (128, 1546435), (155, 1277056), (160, 1237148), (176, 1124680), (220, 899744), (248, 798160), (310, 638528), (320, 618574), (341, 580480), (352, 562340), (440, 449872), (496, 399080), (620, 319264), (640, 309287), (682, 290240), (704, 281170), (880, 224936), (907, 218240), (992, 199540), (1240, 159632), (1364, 145120), (1408, 140585), (1705, 116096), (1760, 112468), (1814, 109120), (1984, 99770), (2480, 79816), (2728, 72560), (3410, 58048), (3520, 56234), (3628, 54560), (3968, 49885), (4535, 43648), (4960, 39908), (5456, 36280), (6820, 29024), (7040, 28117), (7256, 27280), (9070, 21824), (9920, 19954), (9977, 19840), (10912, 18140), (13640, 14512)]