820171154

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 1516838400

約数和(自身を除く): 696667246

約数列:

[1, 2, 11, 17, 22, 31, 34, 59, 62, 109, 118, 121, 187, 218, 242, 341, 374, 527, 649, 682, 1003, 1054, 1199, 1298, 1829, 1853, 2006, 2057, 2398, 3379, 3658, 3706, 3751, 4114, 5797, 6431, 6758, 7139, 7502, 11033, 11594, 12862, 13189, 14278, 20119, 20383, 22066, 26378, 31093, 37169, 40238, 40766, 57443, 62186, 63767, 70741, 74338, 109327, 114886, 121363, 127534, 141482, 199361, 218654, 221309, 224213, 242726, 342023, 398722, 408859, 442618, 448426, 631873, 684046, 778151, 817718, 1202597, 1263746, 1556302, 2192971, 2405194, 3389137, 3762253, 4385942, 6778274, 6950603, 7524506, 13228567, 13901206, 24122681, 26457134, 37280507, 48245362, 74561014, 410085577, 820171154]

約数ペア:

[(1, 820171154), (2, 410085577), (11, 74561014), (17, 48245362), (22, 37280507), (31, 26457134), (34, 24122681), (59, 13901206), (62, 13228567), (109, 7524506), (118, 6950603), (121, 6778274), (187, 4385942), (218, 3762253), (242, 3389137), (341, 2405194), (374, 2192971), (527, 1556302), (649, 1263746), (682, 1202597), (1003, 817718), (1054, 778151), (1199, 684046), (1298, 631873), (1829, 448426), (1853, 442618), (2006, 408859), (2057, 398722), (2398, 342023), (3379, 242726), (3658, 224213), (3706, 221309), (3751, 218654), (4114, 199361), (5797, 141482), (6431, 127534), (6758, 121363), (7139, 114886), (7502, 109327), (11033, 74338), (11594, 70741), (12862, 63767), (13189, 62186), (14278, 57443), (20119, 40766), (20383, 40238), (22066, 37169), (26378, 31093)]