201999767920

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{392629}}^1$

素因数の和:392810

約数の個数: 80

約数和(自身を含む): 481992588000

約数和(自身を除く): 279992820080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 109, 118, 218, 236, 295, 436, 472, 545, 590, 872, 944, 1090, 1180, 1744, 2180, 2360, 4360, 4720, 6431, 8720, 12862, 25724, 32155, 51448, 64310, 102896, 128620, 257240, 392629, 514480, 785258, 1570516, 1963145, 3141032, 3926290, 6282064, 7852580, 15705160, 23165111, 31410320, 42796561, 46330222, 85593122, 92660444, 115825555, 171186244, 185320888, 213982805, 231651110, 342372488, 370641776, 427965610, 463302220, 684744976, 855931220, 926604440, 1711862440, 1853208880, 2524997099, 3423724880, 5049994198, 10099988396, 12624985495, 20199976792, 25249970990, 40399953584, 50499941980, 100999883960, 201999767920]

約数ペア:

[(1, 201999767920), (2, 100999883960), (4, 50499941980), (5, 40399953584), (8, 25249970990), (10, 20199976792), (16, 12624985495), (20, 10099988396), (40, 5049994198), (59, 3423724880), (80, 2524997099), (109, 1853208880), (118, 1711862440), (218, 926604440), (236, 855931220), (295, 684744976), (436, 463302220), (472, 427965610), (545, 370641776), (590, 342372488), (872, 231651110), (944, 213982805), (1090, 185320888), (1180, 171186244), (1744, 115825555), (2180, 92660444), (2360, 85593122), (4360, 46330222), (4720, 42796561), (6431, 31410320), (8720, 23165111), (12862, 15705160), (25724, 7852580), (32155, 6282064), (51448, 3926290), (64310, 3141032), (102896, 1963145), (128620, 1570516), (257240, 785258), (392629, 514480)]