720842995

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 967800960

約数和(自身を除く): 246957965

約数列:

[1, 5, 19, 29, 47, 95, 145, 235, 293, 361, 551, 893, 1363, 1465, 1805, 2755, 4465, 5567, 6815, 8497, 10469, 13771, 16967, 25897, 27835, 42485, 52345, 68855, 84835, 105773, 129485, 161443, 261649, 399359, 492043, 528865, 807215, 1308245, 1996795, 2460215, 3067417, 4971331, 7587821, 15337085, 24856655, 37939105, 144168599, 720842995]

約数ペア:

[(1, 720842995), (5, 144168599), (19, 37939105), (29, 24856655), (47, 15337085), (95, 7587821), (145, 4971331), (235, 3067417), (293, 2460215), (361, 1996795), (551, 1308245), (893, 807215), (1363, 528865), (1465, 492043), (1805, 399359), (2755, 261649), (4465, 161443), (5567, 129485), (6815, 105773), (8497, 84835), (10469, 68855), (13771, 52345), (16967, 42485), (25897, 27835)]