16998380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5279}}^1$

素因数の和:5318

約数の個数: 48

約数和(自身を含む): 42577920

約数和(自身を除く): 25579540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 5279, 10558, 21116, 26395, 36953, 52790, 73906, 105580, 121417, 147812, 184765, 242834, 369530, 485668, 607085, 739060, 849919, 1214170, 1699838, 2428340, 3399676, 4249595, 8499190, 16998380]

約数ペア:

[(1, 16998380), (2, 8499190), (4, 4249595), (5, 3399676), (7, 2428340), (10, 1699838), (14, 1214170), (20, 849919), (23, 739060), (28, 607085), (35, 485668), (46, 369530), (70, 242834), (92, 184765), (115, 147812), (140, 121417), (161, 105580), (230, 73906), (322, 52790), (460, 36953), (644, 26395), (805, 21116), (1610, 10558), (3220, 5279)]