440076

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 72

約数和(自身を含む): 1311744

約数和(自身を除く): 871668

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 52, 62, 78, 84, 91, 93, 124, 156, 169, 182, 186, 217, 273, 338, 364, 372, 403, 434, 507, 546, 651, 676, 806, 868, 1014, 1092, 1183, 1209, 1302, 1612, 2028, 2366, 2418, 2604, 2821, 3549, 4732, 4836, 5239, 5642, 7098, 8463, 10478, 11284, 14196, 15717, 16926, 20956, 31434, 33852, 36673, 62868, 73346, 110019, 146692, 220038, 440076]

約数ペア:

[(1, 440076), (2, 220038), (3, 146692), (4, 110019), (6, 73346), (7, 62868), (12, 36673), (13, 33852), (14, 31434), (21, 20956), (26, 16926), (28, 15717), (31, 14196), (39, 11284), (42, 10478), (52, 8463), (62, 7098), (78, 5642), (84, 5239), (91, 4836), (93, 4732), (124, 3549), (156, 2821), (169, 2604), (182, 2418), (186, 2366), (217, 2028), (273, 1612), (338, 1302), (364, 1209), (372, 1183), (403, 1092), (434, 1014), (507, 868), (546, 806), (651, 676)]