642313528040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{3367129}}^1$

素因数の和:3367410

約数の個数: 64

約数和(自身を含む): 1527330168000

約数和(自身を除く): 885016639960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 251, 380, 502, 760, 1004, 1255, 2008, 2510, 4769, 5020, 9538, 10040, 19076, 23845, 38152, 47690, 95380, 190760, 3367129, 6734258, 13468516, 16835645, 26937032, 33671290, 63975451, 67342580, 127950902, 134685160, 255901804, 319877255, 511803608, 639754510, 845149379, 1279509020, 1690298758, 2559018040, 3380597516, 4225746895, 6761195032, 8451493790, 16057838201, 16902987580, 32115676402, 33805975160, 64231352804, 80289191005, 128462705608, 160578382010, 321156764020, 642313528040]

約数ペア:

[(1, 642313528040), (2, 321156764020), (4, 160578382010), (5, 128462705608), (8, 80289191005), (10, 64231352804), (19, 33805975160), (20, 32115676402), (38, 16902987580), (40, 16057838201), (76, 8451493790), (95, 6761195032), (152, 4225746895), (190, 3380597516), (251, 2559018040), (380, 1690298758), (502, 1279509020), (760, 845149379), (1004, 639754510), (1255, 511803608), (2008, 319877255), (2510, 255901804), (4769, 134685160), (5020, 127950902), (9538, 67342580), (10040, 63975451), (19076, 33671290), (23845, 26937032), (38152, 16835645), (47690, 13468516), (95380, 6734258), (190760, 3367129)]