18919600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:287

約数の個数: 120

約数和(自身を含む): 53969760

約数和(自身を除く): 35050160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 35, 40, 50, 56, 58, 70, 80, 100, 112, 116, 140, 145, 175, 200, 203, 232, 233, 280, 290, 350, 400, 406, 464, 466, 560, 580, 700, 725, 812, 932, 1015, 1160, 1165, 1400, 1450, 1624, 1631, 1864, 2030, 2320, 2330, 2800, 2900, 3248, 3262, 3728, 4060, 4660, 5075, 5800, 5825, 6524, 6757, 8120, 8155, 9320, 10150, 11600, 11650, 13048, 13514, 16240, 16310, 18640, 20300, 23300, 26096, 27028, 32620, 33785, 40600, 40775, 46600, 47299, 54056, 65240, 67570, 81200, 81550, 93200, 94598, 108112, 130480, 135140, 163100, 168925, 189196, 236495, 270280, 326200, 337850, 378392, 472990, 540560, 652400, 675700, 756784, 945980, 1182475, 1351400, 1891960, 2364950, 2702800, 3783920, 4729900, 9459800, 18919600]

約数ペア:

[(1, 18919600), (2, 9459800), (4, 4729900), (5, 3783920), (7, 2702800), (8, 2364950), (10, 1891960), (14, 1351400), (16, 1182475), (20, 945980), (25, 756784), (28, 675700), (29, 652400), (35, 540560), (40, 472990), (50, 378392), (56, 337850), (58, 326200), (70, 270280), (80, 236495), (100, 189196), (112, 168925), (116, 163100), (140, 135140), (145, 130480), (175, 108112), (200, 94598), (203, 93200), (232, 81550), (233, 81200), (280, 67570), (290, 65240), (350, 54056), (400, 47299), (406, 46600), (464, 40775), (466, 40600), (560, 33785), (580, 32620), (700, 27028), (725, 26096), (812, 23300), (932, 20300), (1015, 18640), (1160, 16310), (1165, 16240), (1400, 13514), (1450, 13048), (1624, 11650), (1631, 11600), (1864, 10150), (2030, 9320), (2320, 8155), (2330, 8120), (2800, 6757), (2900, 6524), (3248, 5825), (3262, 5800), (3728, 5075), (4060, 4660)]