201916100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 452054400

約数和(自身を除く): 250138300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 79, 100, 122, 158, 244, 305, 316, 395, 419, 610, 790, 838, 1220, 1525, 1580, 1676, 1975, 2095, 3050, 3950, 4190, 4819, 6100, 7900, 8380, 9638, 10475, 19276, 20950, 24095, 25559, 33101, 41900, 48190, 51118, 66202, 96380, 102236, 120475, 127795, 132404, 165505, 240950, 255590, 331010, 481900, 511180, 638975, 662020, 827525, 1277950, 1655050, 2019161, 2555900, 3310100, 4038322, 8076644, 10095805, 20191610, 40383220, 50479025, 100958050, 201916100]

約数ペア:

[(1, 201916100), (2, 100958050), (4, 50479025), (5, 40383220), (10, 20191610), (20, 10095805), (25, 8076644), (50, 4038322), (61, 3310100), (79, 2555900), (100, 2019161), (122, 1655050), (158, 1277950), (244, 827525), (305, 662020), (316, 638975), (395, 511180), (419, 481900), (610, 331010), (790, 255590), (838, 240950), (1220, 165505), (1525, 132404), (1580, 127795), (1676, 120475), (1975, 102236), (2095, 96380), (3050, 66202), (3950, 51118), (4190, 48190), (4819, 41900), (6100, 33101), (7900, 25559), (8380, 24095), (9638, 20950), (10475, 19276)]