857989300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 2209664128

約数和(自身を除く): 1351674828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 50, 70, 74, 100, 140, 148, 157, 175, 185, 211, 259, 314, 350, 370, 422, 518, 628, 700, 740, 785, 844, 925, 1036, 1055, 1099, 1295, 1477, 1570, 1850, 2110, 2198, 2590, 2954, 3140, 3700, 3925, 4220, 4396, 5180, 5275, 5495, 5809, 5908, 6475, 7385, 7807, 7850, 10550, 10990, 11618, 12950, 14770, 15614, 15700, 21100, 21980, 23236, 25900, 27475, 29045, 29540, 31228, 33127, 36925, 39035, 40663, 54649, 54950, 58090, 66254, 73850, 78070, 81326, 109298, 109900, 116180, 132508, 145225, 147700, 156140, 162652, 165635, 195175, 203315, 218596, 231889, 273245, 290450, 331270, 390350, 406630, 463778, 546490, 580900, 662540, 780700, 813260, 828175, 927556, 1016575, 1092980, 1159445, 1225699, 1366225, 1656350, 2033150, 2318890, 2451398, 2732450, 3312700, 4066300, 4637780, 4902796, 5464900, 5797225, 6128495, 8579893, 11594450, 12256990, 17159786, 23188900, 24513980, 30642475, 34319572, 42899465, 61284950, 85798930, 122569900, 171597860, 214497325, 428994650, 857989300]

約数ペア:

[(1, 857989300), (2, 428994650), (4, 214497325), (5, 171597860), (7, 122569900), (10, 85798930), (14, 61284950), (20, 42899465), (25, 34319572), (28, 30642475), (35, 24513980), (37, 23188900), (50, 17159786), (70, 12256990), (74, 11594450), (100, 8579893), (140, 6128495), (148, 5797225), (157, 5464900), (175, 4902796), (185, 4637780), (211, 4066300), (259, 3312700), (314, 2732450), (350, 2451398), (370, 2318890), (422, 2033150), (518, 1656350), (628, 1366225), (700, 1225699), (740, 1159445), (785, 1092980), (844, 1016575), (925, 927556), (1036, 828175), (1055, 813260), (1099, 780700), (1295, 662540), (1477, 580900), (1570, 546490), (1850, 463778), (2110, 406630), (2198, 390350), (2590, 331270), (2954, 290450), (3140, 273245), (3700, 231889), (3925, 218596), (4220, 203315), (4396, 195175), (5180, 165635), (5275, 162652), (5495, 156140), (5809, 147700), (5908, 145225), (6475, 132508), (7385, 116180), (7807, 109900), (7850, 109298), (10550, 81326), (10990, 78070), (11618, 73850), (12950, 66254), (14770, 58090), (15614, 54950), (15700, 54649), (21100, 40663), (21980, 39035), (23236, 36925), (25900, 33127), (27475, 31228), (29045, 29540)]