998481520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{7643}}^1$

素因数の和:7750

約数の個数: 80

約数和(自身を含む): 2456842752

約数和(自身を除く): 1458361232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 71, 80, 92, 115, 142, 184, 230, 284, 355, 368, 460, 568, 710, 920, 1136, 1420, 1633, 1840, 2840, 3266, 5680, 6532, 7643, 8165, 13064, 15286, 16330, 26128, 30572, 32660, 38215, 61144, 65320, 76430, 122288, 130640, 152860, 175789, 305720, 351578, 542653, 611440, 703156, 878945, 1085306, 1406312, 1757890, 2170612, 2713265, 2812624, 3515780, 4341224, 5426530, 7031560, 8682448, 10853060, 12481019, 14063120, 21706120, 24962038, 43412240, 49924076, 62405095, 99848152, 124810190, 199696304, 249620380, 499240760, 998481520]

約数ペア:

[(1, 998481520), (2, 499240760), (4, 249620380), (5, 199696304), (8, 124810190), (10, 99848152), (16, 62405095), (20, 49924076), (23, 43412240), (40, 24962038), (46, 21706120), (71, 14063120), (80, 12481019), (92, 10853060), (115, 8682448), (142, 7031560), (184, 5426530), (230, 4341224), (284, 3515780), (355, 2812624), (368, 2713265), (460, 2170612), (568, 1757890), (710, 1406312), (920, 1085306), (1136, 878945), (1420, 703156), (1633, 611440), (1840, 542653), (2840, 351578), (3266, 305720), (5680, 175789), (6532, 152860), (7643, 130640), (8165, 122288), (13064, 76430), (15286, 65320), (16330, 61144), (26128, 38215), (30572, 32660)]