217141880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{6079}}^1$

素因数の和:6156

約数の個数: 64

約数和(自身を含む): 525312000

約数和(自身を除く): 308170120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1786, 1880, 3572, 4465, 6079, 7144, 8930, 12158, 17860, 24316, 30395, 35720, 48632, 60790, 115501, 121580, 231002, 243160, 285713, 462004, 571426, 577505, 924008, 1142852, 1155010, 1428565, 2285704, 2310020, 2857130, 4620040, 5428547, 5714260, 10857094, 11428520, 21714188, 27142735, 43428376, 54285470, 108570940, 217141880]

約数ペア:

[(1, 217141880), (2, 108570940), (4, 54285470), (5, 43428376), (8, 27142735), (10, 21714188), (19, 11428520), (20, 10857094), (38, 5714260), (40, 5428547), (47, 4620040), (76, 2857130), (94, 2310020), (95, 2285704), (152, 1428565), (188, 1155010), (190, 1142852), (235, 924008), (376, 577505), (380, 571426), (470, 462004), (760, 285713), (893, 243160), (940, 231002), (1786, 121580), (1880, 115501), (3572, 60790), (4465, 48632), (6079, 35720), (7144, 30395), (8930, 24316), (12158, 17860)]