198459520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1429}}^1$

素因数の和:1486

約数の個数: 128

約数和(自身を含む): 560102400

約数和(自身を除く): 361642880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1429, 1736, 1984, 2170, 2240, 2480, 2858, 3472, 3968, 4340, 4480, 4960, 5716, 6944, 7145, 8680, 9920, 10003, 11432, 13888, 14290, 17360, 19840, 20006, 22864, 27776, 28580, 34720, 40012, 44299, 45728, 50015, 57160, 69440, 80024, 88598, 91456, 100030, 114320, 138880, 160048, 177196, 182912, 200060, 221495, 228640, 310093, 320096, 354392, 400120, 442990, 457280, 620186, 640192, 708784, 800240, 885980, 914560, 1240372, 1280384, 1417568, 1550465, 1600480, 1771960, 2480744, 2835136, 3100930, 3200960, 3543920, 4961488, 5670272, 6201860, 6401920, 7087840, 9922976, 12403720, 14175680, 19845952, 24807440, 28351360, 39691904, 49614880, 99229760, 198459520]

約数ペア:

[(1, 198459520), (2, 99229760), (4, 49614880), (5, 39691904), (7, 28351360), (8, 24807440), (10, 19845952), (14, 14175680), (16, 12403720), (20, 9922976), (28, 7087840), (31, 6401920), (32, 6201860), (35, 5670272), (40, 4961488), (56, 3543920), (62, 3200960), (64, 3100930), (70, 2835136), (80, 2480744), (112, 1771960), (124, 1600480), (128, 1550465), (140, 1417568), (155, 1280384), (160, 1240372), (217, 914560), (224, 885980), (248, 800240), (280, 708784), (310, 640192), (320, 620186), (434, 457280), (448, 442990), (496, 400120), (560, 354392), (620, 320096), (640, 310093), (868, 228640), (896, 221495), (992, 200060), (1085, 182912), (1120, 177196), (1240, 160048), (1429, 138880), (1736, 114320), (1984, 100030), (2170, 91456), (2240, 88598), (2480, 80024), (2858, 69440), (3472, 57160), (3968, 50015), (4340, 45728), (4480, 44299), (4960, 40012), (5716, 34720), (6944, 28580), (7145, 27776), (8680, 22864), (9920, 20006), (10003, 19840), (11432, 17360), (13888, 14290)]