978012800

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^1\times {\mathrm{9859}}^1$

素因数の和:9914

約数の個数: 96

約数和(自身を含む): 2494185600

約数和(自身を除く): 1516172800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 310, 320, 400, 496, 620, 640, 775, 800, 992, 1240, 1550, 1600, 1984, 2480, 3100, 3200, 3968, 4960, 6200, 9859, 9920, 12400, 19718, 19840, 24800, 39436, 49295, 49600, 78872, 98590, 99200, 157744, 197180, 246475, 305629, 315488, 394360, 492950, 611258, 630976, 788720, 985900, 1222516, 1261952, 1528145, 1577440, 1971800, 2445032, 3056290, 3154880, 3943600, 4890064, 6112580, 6309760, 7640725, 7887200, 9780128, 12225160, 15281450, 15774400, 19560256, 24450320, 30562900, 31548800, 39120512, 48900640, 61125800, 97801280, 122251600, 195602560, 244503200, 489006400, 978012800]

約数ペア:

[(1, 978012800), (2, 489006400), (4, 244503200), (5, 195602560), (8, 122251600), (10, 97801280), (16, 61125800), (20, 48900640), (25, 39120512), (31, 31548800), (32, 30562900), (40, 24450320), (50, 19560256), (62, 15774400), (64, 15281450), (80, 12225160), (100, 9780128), (124, 7887200), (128, 7640725), (155, 6309760), (160, 6112580), (200, 4890064), (248, 3943600), (310, 3154880), (320, 3056290), (400, 2445032), (496, 1971800), (620, 1577440), (640, 1528145), (775, 1261952), (800, 1222516), (992, 985900), (1240, 788720), (1550, 630976), (1600, 611258), (1984, 492950), (2480, 394360), (3100, 315488), (3200, 305629), (3968, 246475), (4960, 197180), (6200, 157744), (9859, 99200), (9920, 98590), (12400, 78872), (19718, 49600), (19840, 49295), (24800, 39436)]