1998929310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{2539}}^1$

素因数の和:2742

約数の個数: 128

約数和(自身を含む): 5758525440

約数和(自身を除く): 3759596130

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 163, 210, 230, 322, 326, 345, 483, 489, 690, 805, 815, 966, 978, 1141, 1610, 1630, 2282, 2415, 2445, 2539, 3423, 3749, 4830, 4890, 5078, 5705, 6846, 7498, 7617, 11247, 11410, 12695, 15234, 17115, 17773, 18745, 22494, 25390, 26243, 34230, 35546, 37490, 38085, 52486, 53319, 56235, 58397, 76170, 78729, 88865, 106638, 112470, 116794, 131215, 157458, 175191, 177730, 262430, 266595, 291985, 350382, 393645, 408779, 413857, 533190, 583970, 787290, 817558, 827714, 875955, 1226337, 1241571, 1751910, 2043895, 2069285, 2452674, 2483142, 2896999, 4087790, 4138570, 5793998, 6131685, 6207855, 8690997, 9518711, 12263370, 12415710, 14484995, 17381994, 19037422, 28556133, 28969990, 43454985, 47593555, 57112266, 66630977, 86909970, 95187110, 133261954, 142780665, 199892931, 285561330, 333154885, 399785862, 666309770, 999464655, 1998929310]

約数ペア:

[(1, 1998929310), (2, 999464655), (3, 666309770), (5, 399785862), (6, 333154885), (7, 285561330), (10, 199892931), (14, 142780665), (15, 133261954), (21, 95187110), (23, 86909970), (30, 66630977), (35, 57112266), (42, 47593555), (46, 43454985), (69, 28969990), (70, 28556133), (105, 19037422), (115, 17381994), (138, 14484995), (161, 12415710), (163, 12263370), (210, 9518711), (230, 8690997), (322, 6207855), (326, 6131685), (345, 5793998), (483, 4138570), (489, 4087790), (690, 2896999), (805, 2483142), (815, 2452674), (966, 2069285), (978, 2043895), (1141, 1751910), (1610, 1241571), (1630, 1226337), (2282, 875955), (2415, 827714), (2445, 817558), (2539, 787290), (3423, 583970), (3749, 533190), (4830, 413857), (4890, 408779), (5078, 393645), (5705, 350382), (6846, 291985), (7498, 266595), (7617, 262430), (11247, 177730), (11410, 175191), (12695, 157458), (15234, 131215), (17115, 116794), (17773, 112470), (18745, 106638), (22494, 88865), (25390, 78729), (26243, 76170), (34230, 58397), (35546, 56235), (37490, 53319), (38085, 52486)]