189351760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1877}}^1$

素因数の和:2000

約数の個数: 80

約数和(自身を含む): 479250576

約数和(自身を除く): 289898816

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 194, 208, 260, 388, 485, 520, 776, 970, 1040, 1261, 1552, 1877, 1940, 2522, 3754, 3880, 5044, 6305, 7508, 7760, 9385, 10088, 12610, 15016, 18770, 20176, 24401, 25220, 30032, 37540, 48802, 50440, 75080, 97604, 100880, 122005, 150160, 182069, 195208, 244010, 364138, 390416, 488020, 728276, 910345, 976040, 1456552, 1820690, 1952080, 2366897, 2913104, 3641380, 4733794, 7282760, 9467588, 11834485, 14565520, 18935176, 23668970, 37870352, 47337940, 94675880, 189351760]

約数ペア:

[(1, 189351760), (2, 94675880), (4, 47337940), (5, 37870352), (8, 23668970), (10, 18935176), (13, 14565520), (16, 11834485), (20, 9467588), (26, 7282760), (40, 4733794), (52, 3641380), (65, 2913104), (80, 2366897), (97, 1952080), (104, 1820690), (130, 1456552), (194, 976040), (208, 910345), (260, 728276), (388, 488020), (485, 390416), (520, 364138), (776, 244010), (970, 195208), (1040, 182069), (1261, 150160), (1552, 122005), (1877, 100880), (1940, 97604), (2522, 75080), (3754, 50440), (3880, 48802), (5044, 37540), (6305, 30032), (7508, 25220), (7760, 24401), (9385, 20176), (10088, 18770), (12610, 15016)]