200420930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 391910400

約数和(自身を除く): 191489470

約数列:

[1, 2, 5, 10, 19, 38, 71, 83, 95, 142, 166, 179, 190, 355, 358, 415, 710, 830, 895, 1349, 1577, 1790, 2698, 3154, 3401, 5893, 6745, 6802, 7885, 11786, 12709, 13490, 14857, 15770, 17005, 25418, 29465, 29714, 34010, 58930, 63545, 74285, 111967, 127090, 148570, 223934, 241471, 282283, 482942, 559835, 564566, 1054847, 1119670, 1207355, 1411415, 2109694, 2414710, 2822830, 5274235, 10548470, 20042093, 40084186, 100210465, 200420930]

約数ペア:

[(1, 200420930), (2, 100210465), (5, 40084186), (10, 20042093), (19, 10548470), (38, 5274235), (71, 2822830), (83, 2414710), (95, 2109694), (142, 1411415), (166, 1207355), (179, 1119670), (190, 1054847), (355, 564566), (358, 559835), (415, 482942), (710, 282283), (830, 241471), (895, 223934), (1349, 148570), (1577, 127090), (1790, 111967), (2698, 74285), (3154, 63545), (3401, 58930), (5893, 34010), (6745, 29714), (6802, 29465), (7885, 25418), (11786, 17005), (12709, 15770), (13490, 14857)]