291287120

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{37537}}^1$

素因数の和:37647

約数の個数: 40

約数和(自身を含む): 684242664

約数和(自身を除く): 392955544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 37537, 75074, 150148, 187685, 300296, 375370, 600592, 750740, 1501480, 3002960, 3641089, 7282178, 14564356, 18205445, 29128712, 36410890, 58257424, 72821780, 145643560, 291287120]

約数ペア:

[(1, 291287120), (2, 145643560), (4, 72821780), (5, 58257424), (8, 36410890), (10, 29128712), (16, 18205445), (20, 14564356), (40, 7282178), (80, 3641089), (97, 3002960), (194, 1501480), (388, 750740), (485, 600592), (776, 375370), (970, 300296), (1552, 187685), (1940, 150148), (3880, 75074), (7760, 37537)]