400128486

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{953}}^1$

素因数の和:1133

約数の個数: 64

約数和(自身を含む): 879206400

約数和(自身を除く): 479077914

約数列:

[1, 2, 3, 6, 19, 29, 38, 57, 58, 87, 114, 127, 174, 254, 381, 551, 762, 953, 1102, 1653, 1906, 2413, 2859, 3306, 3683, 4826, 5718, 7239, 7366, 11049, 14478, 18107, 22098, 27637, 36214, 54321, 55274, 69977, 82911, 108642, 121031, 139954, 165822, 209931, 242062, 363093, 419862, 525103, 726186, 1050206, 1575309, 2299589, 3150618, 3509899, 4599178, 6898767, 7019798, 10529697, 13797534, 21059394, 66688081, 133376162, 200064243, 400128486]

約数ペア:

[(1, 400128486), (2, 200064243), (3, 133376162), (6, 66688081), (19, 21059394), (29, 13797534), (38, 10529697), (57, 7019798), (58, 6898767), (87, 4599178), (114, 3509899), (127, 3150618), (174, 2299589), (254, 1575309), (381, 1050206), (551, 726186), (762, 525103), (953, 419862), (1102, 363093), (1653, 242062), (1906, 209931), (2413, 165822), (2859, 139954), (3306, 121031), (3683, 108642), (4826, 82911), (5718, 69977), (7239, 55274), (7366, 54321), (11049, 36214), (14478, 27637), (18107, 22098)]