138278140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6907}}^1$

素因数の和:6947

約数の個数: 96

約数和(自身を含む): 389942784

約数和(自身を除く): 251664644

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 4004, 5005, 6907, 10010, 13814, 20020, 27628, 34535, 48349, 69070, 75977, 89791, 96698, 138140, 151954, 179582, 193396, 241745, 303908, 359164, 379885, 448955, 483490, 531839, 628537, 759770, 897910, 966980, 987701, 1063678, 1257074, 1519540, 1795820, 1975402, 2127356, 2514148, 2659195, 3142685, 3950804, 4938505, 5318390, 6285370, 6913907, 9877010, 10636780, 12570740, 13827814, 19754020, 27655628, 34569535, 69139070, 138278140]

約数ペア:

[(1, 138278140), (2, 69139070), (4, 34569535), (5, 27655628), (7, 19754020), (10, 13827814), (11, 12570740), (13, 10636780), (14, 9877010), (20, 6913907), (22, 6285370), (26, 5318390), (28, 4938505), (35, 3950804), (44, 3142685), (52, 2659195), (55, 2514148), (65, 2127356), (70, 1975402), (77, 1795820), (91, 1519540), (110, 1257074), (130, 1063678), (140, 987701), (143, 966980), (154, 897910), (182, 759770), (220, 628537), (260, 531839), (286, 483490), (308, 448955), (364, 379885), (385, 359164), (455, 303908), (572, 241745), (715, 193396), (770, 179582), (910, 151954), (1001, 138140), (1430, 96698), (1540, 89791), (1820, 75977), (2002, 69070), (2860, 48349), (4004, 34535), (5005, 27628), (6907, 20020), (10010, 13814)]