8920234072

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 18441561600

約数和(自身を除く): 9521327528

約数列:

[1, 2, 4, 8, 23, 43, 46, 59, 86, 92, 97, 118, 172, 184, 194, 197, 236, 344, 388, 394, 472, 776, 788, 989, 1357, 1576, 1978, 2231, 2537, 2714, 3956, 4171, 4462, 4531, 5074, 5428, 5723, 7912, 8342, 8471, 8924, 9062, 10148, 10856, 11446, 11623, 16684, 16942, 17848, 18124, 19109, 20296, 22892, 23246, 33368, 33884, 36248, 38218, 45784, 46492, 58351, 67768, 76436, 92984, 95933, 116702, 131629, 152872, 191866, 194833, 233404, 246089, 263258, 267329, 383732, 389666, 439507, 466808, 492178, 499789, 526516, 534658, 767464, 779332, 821687, 879014, 984356, 999578, 1053032, 1069316, 1127431, 1558664, 1643374, 1758028, 1968712, 1999156, 2138632, 2254862, 3286748, 3516056, 3998312, 4509724, 5660047, 6573496, 9019448, 11320094, 11495147, 18898801, 22640188, 22990294, 25930913, 37797602, 45280376, 45980588, 48479533, 51861826, 75595204, 91961176, 96959066, 103723652, 151190408, 193918132, 207447304, 387836264, 1115029259, 2230058518, 4460117036, 8920234072]

約数ペア:

[(1, 8920234072), (2, 4460117036), (4, 2230058518), (8, 1115029259), (23, 387836264), (43, 207447304), (46, 193918132), (59, 151190408), (86, 103723652), (92, 96959066), (97, 91961176), (118, 75595204), (172, 51861826), (184, 48479533), (194, 45980588), (197, 45280376), (236, 37797602), (344, 25930913), (388, 22990294), (394, 22640188), (472, 18898801), (776, 11495147), (788, 11320094), (989, 9019448), (1357, 6573496), (1576, 5660047), (1978, 4509724), (2231, 3998312), (2537, 3516056), (2714, 3286748), (3956, 2254862), (4171, 2138632), (4462, 1999156), (4531, 1968712), (5074, 1758028), (5428, 1643374), (5723, 1558664), (7912, 1127431), (8342, 1069316), (8471, 1053032), (8924, 999578), (9062, 984356), (10148, 879014), (10856, 821687), (11446, 779332), (11623, 767464), (16684, 534658), (16942, 526516), (17848, 499789), (18124, 492178), (19109, 466808), (20296, 439507), (22892, 389666), (23246, 383732), (33368, 267329), (33884, 263258), (36248, 246089), (38218, 233404), (45784, 194833), (46492, 191866), (58351, 152872), (67768, 131629), (76436, 116702), (92984, 95933)]