254240140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8689}}^1$

素因数の和:8735

約数の個数: 96

約数和(自身を含む): 700761600

約数和(自身を除く): 446521460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 380, 385, 418, 532, 665, 770, 836, 1045, 1330, 1463, 1540, 2090, 2660, 2926, 4180, 5852, 7315, 8689, 14630, 17378, 29260, 34756, 43445, 60823, 86890, 95579, 121646, 165091, 173780, 191158, 243292, 304115, 330182, 382316, 477895, 608230, 660364, 669053, 825455, 955790, 1155637, 1216460, 1338106, 1650910, 1816001, 1911580, 2311274, 2676212, 3301820, 3345265, 3632002, 4622548, 5778185, 6690530, 7264004, 9080005, 11556370, 12712007, 13381060, 18160010, 23112740, 25424014, 36320020, 50848028, 63560035, 127120070, 254240140]

約数ペア:

[(1, 254240140), (2, 127120070), (4, 63560035), (5, 50848028), (7, 36320020), (10, 25424014), (11, 23112740), (14, 18160010), (19, 13381060), (20, 12712007), (22, 11556370), (28, 9080005), (35, 7264004), (38, 6690530), (44, 5778185), (55, 4622548), (70, 3632002), (76, 3345265), (77, 3301820), (95, 2676212), (110, 2311274), (133, 1911580), (140, 1816001), (154, 1650910), (190, 1338106), (209, 1216460), (220, 1155637), (266, 955790), (308, 825455), (380, 669053), (385, 660364), (418, 608230), (532, 477895), (665, 382316), (770, 330182), (836, 304115), (1045, 243292), (1330, 191158), (1463, 173780), (1540, 165091), (2090, 121646), (2660, 95579), (2926, 86890), (4180, 60823), (5852, 43445), (7315, 34756), (8689, 29260), (14630, 17378)]