664115930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{6949}}^1$

素因数の和:7478

約数の個数: 32

約数和(自身を含む): 1261008000

約数和(自身を除く): 596892070

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 503, 1006, 2515, 5030, 6949, 9557, 13898, 19114, 34745, 47785, 69490, 95570, 132031, 264062, 660155, 1320310, 3495347, 6990694, 17476735, 34953470, 66411593, 132823186, 332057965, 664115930]

約数ペア:

[(1, 664115930), (2, 332057965), (5, 132823186), (10, 66411593), (19, 34953470), (38, 17476735), (95, 6990694), (190, 3495347), (503, 1320310), (1006, 660155), (2515, 264062), (5030, 132031), (6949, 95570), (9557, 69490), (13898, 47785), (19114, 34745)]