9919840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:560

約数の個数: 96

約数和(自身を含む): 28413504

約数和(自身を除く): 18493664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 340, 476, 521, 544, 560, 595, 680, 952, 1042, 1120, 1190, 1360, 1904, 2084, 2380, 2605, 2720, 3647, 3808, 4168, 4760, 5210, 7294, 8336, 8857, 9520, 10420, 14588, 16672, 17714, 18235, 19040, 20840, 29176, 35428, 36470, 41680, 44285, 58352, 61999, 70856, 72940, 83360, 88570, 116704, 123998, 141712, 145880, 177140, 247996, 283424, 291760, 309995, 354280, 495992, 583520, 619990, 708560, 991984, 1239980, 1417120, 1983968, 2479960, 4959920, 9919840]

約数ペア:

[(1, 9919840), (2, 4959920), (4, 2479960), (5, 1983968), (7, 1417120), (8, 1239980), (10, 991984), (14, 708560), (16, 619990), (17, 583520), (20, 495992), (28, 354280), (32, 309995), (34, 291760), (35, 283424), (40, 247996), (56, 177140), (68, 145880), (70, 141712), (80, 123998), (85, 116704), (112, 88570), (119, 83360), (136, 72940), (140, 70856), (160, 61999), (170, 58352), (224, 44285), (238, 41680), (272, 36470), (280, 35428), (340, 29176), (476, 20840), (521, 19040), (544, 18235), (560, 17714), (595, 16672), (680, 14588), (952, 10420), (1042, 9520), (1120, 8857), (1190, 8336), (1360, 7294), (1904, 5210), (2084, 4760), (2380, 4168), (2605, 3808), (2720, 3647)]