402531376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 863569728

約数和(自身を除く): 461038352

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 97, 104, 142, 194, 208, 281, 284, 388, 562, 568, 776, 923, 1124, 1136, 1261, 1552, 1846, 2248, 2522, 3653, 3692, 4496, 5044, 6887, 7306, 7384, 10088, 13774, 14612, 14768, 19951, 20176, 27257, 27548, 29224, 39902, 54514, 55096, 58448, 79804, 89531, 109028, 110192, 159608, 179062, 218056, 259363, 319216, 354341, 358124, 436112, 518726, 708682, 716248, 1037452, 1417364, 1432496, 1935247, 2074904, 2834728, 3870494, 4149808, 5669456, 7740988, 15481976, 25158211, 30963952, 50316422, 100632844, 201265688, 402531376]

約数ペア:

[(1, 402531376), (2, 201265688), (4, 100632844), (8, 50316422), (13, 30963952), (16, 25158211), (26, 15481976), (52, 7740988), (71, 5669456), (97, 4149808), (104, 3870494), (142, 2834728), (194, 2074904), (208, 1935247), (281, 1432496), (284, 1417364), (388, 1037452), (562, 716248), (568, 708682), (776, 518726), (923, 436112), (1124, 358124), (1136, 354341), (1261, 319216), (1552, 259363), (1846, 218056), (2248, 179062), (2522, 159608), (3653, 110192), (3692, 109028), (4496, 89531), (5044, 79804), (6887, 58448), (7306, 55096), (7384, 54514), (10088, 39902), (13774, 29224), (14612, 27548), (14768, 27257), (19951, 20176)]