63985340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{293}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 137803680

約数和(自身を除く): 73818340

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 179, 244, 293, 305, 358, 586, 610, 716, 895, 1172, 1220, 1465, 1790, 2930, 3580, 5860, 10919, 17873, 21838, 35746, 43676, 52447, 54595, 71492, 89365, 104894, 109190, 178730, 209788, 218380, 262235, 357460, 524470, 1048940, 3199267, 6398534, 12797068, 15996335, 31992670, 63985340]

約数ペア:

[(1, 63985340), (2, 31992670), (4, 15996335), (5, 12797068), (10, 6398534), (20, 3199267), (61, 1048940), (122, 524470), (179, 357460), (244, 262235), (293, 218380), (305, 209788), (358, 178730), (586, 109190), (610, 104894), (716, 89365), (895, 71492), (1172, 54595), (1220, 52447), (1465, 43676), (1790, 35746), (2930, 21838), (3580, 17873), (5860, 10919)]