2019396440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 4819953600

約数和(自身を除く): 2800557160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 97, 116, 131, 137, 145, 194, 232, 262, 274, 290, 388, 485, 524, 548, 580, 655, 685, 776, 970, 1048, 1096, 1160, 1310, 1370, 1940, 2620, 2740, 2813, 3799, 3880, 3973, 5240, 5480, 5626, 7598, 7946, 11252, 12707, 13289, 14065, 15196, 15892, 17947, 18995, 19865, 22504, 25414, 26578, 28130, 30392, 31784, 35894, 37990, 39730, 50828, 53156, 56260, 63535, 66445, 71788, 75980, 79460, 89735, 101656, 106312, 112520, 127070, 132890, 143576, 151960, 158920, 179470, 254140, 265780, 358940, 368503, 385381, 508280, 520463, 531560, 717880, 737006, 770762, 1040926, 1474012, 1541524, 1740859, 1842515, 1926905, 2081852, 2602315, 2948024, 3083048, 3481718, 3685030, 3853810, 4163704, 5204630, 6963436, 7370060, 7707620, 8704295, 10409260, 13926872, 14740120, 15415240, 17408590, 20818520, 34817180, 50484911, 69634360, 100969822, 201939644, 252424555, 403879288, 504849110, 1009698220, 2019396440]

約数ペア:

[(1, 2019396440), (2, 1009698220), (4, 504849110), (5, 403879288), (8, 252424555), (10, 201939644), (20, 100969822), (29, 69634360), (40, 50484911), (58, 34817180), (97, 20818520), (116, 17408590), (131, 15415240), (137, 14740120), (145, 13926872), (194, 10409260), (232, 8704295), (262, 7707620), (274, 7370060), (290, 6963436), (388, 5204630), (485, 4163704), (524, 3853810), (548, 3685030), (580, 3481718), (655, 3083048), (685, 2948024), (776, 2602315), (970, 2081852), (1048, 1926905), (1096, 1842515), (1160, 1740859), (1310, 1541524), (1370, 1474012), (1940, 1040926), (2620, 770762), (2740, 737006), (2813, 717880), (3799, 531560), (3880, 520463), (3973, 508280), (5240, 385381), (5480, 368503), (5626, 358940), (7598, 265780), (7946, 254140), (11252, 179470), (12707, 158920), (13289, 151960), (14065, 143576), (15196, 132890), (15892, 127070), (17947, 112520), (18995, 106312), (19865, 101656), (22504, 89735), (25414, 79460), (26578, 75980), (28130, 71788), (30392, 66445), (31784, 63535), (35894, 56260), (37990, 53156), (39730, 50828)]