260072890

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 610675200

約数和(自身を除く): 350602310

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 61, 70, 77, 98, 110, 113, 122, 154, 226, 245, 305, 343, 385, 427, 490, 539, 565, 610, 671, 686, 770, 791, 854, 1078, 1130, 1243, 1342, 1582, 1715, 2135, 2486, 2695, 2989, 3355, 3430, 3773, 3955, 4270, 4697, 5390, 5537, 5978, 6215, 6710, 6893, 7546, 7910, 8701, 9394, 11074, 12430, 13786, 14945, 17402, 18865, 20923, 23485, 27685, 29890, 32879, 34465, 37730, 38759, 41846, 43505, 46970, 48251, 55370, 60907, 65758, 68930, 75823, 77518, 87010, 96502, 104615, 121814, 151646, 164395, 193795, 209230, 230153, 241255, 304535, 328790, 337757, 379115, 387590, 426349, 460306, 482510, 530761, 609070, 675514, 758230, 852698, 1061522, 1150765, 1688785, 2131745, 2301530, 2364299, 2653805, 3377570, 3715327, 4263490, 4728598, 5307610, 7430654, 11821495, 18576635, 23642990, 26007289, 37153270, 52014578, 130036445, 260072890]

約数ペア:

[(1, 260072890), (2, 130036445), (5, 52014578), (7, 37153270), (10, 26007289), (11, 23642990), (14, 18576635), (22, 11821495), (35, 7430654), (49, 5307610), (55, 4728598), (61, 4263490), (70, 3715327), (77, 3377570), (98, 2653805), (110, 2364299), (113, 2301530), (122, 2131745), (154, 1688785), (226, 1150765), (245, 1061522), (305, 852698), (343, 758230), (385, 675514), (427, 609070), (490, 530761), (539, 482510), (565, 460306), (610, 426349), (671, 387590), (686, 379115), (770, 337757), (791, 328790), (854, 304535), (1078, 241255), (1130, 230153), (1243, 209230), (1342, 193795), (1582, 164395), (1715, 151646), (2135, 121814), (2486, 104615), (2695, 96502), (2989, 87010), (3355, 77518), (3430, 75823), (3773, 68930), (3955, 65758), (4270, 60907), (4697, 55370), (5390, 48251), (5537, 46970), (5978, 43505), (6215, 41846), (6710, 38759), (6893, 37730), (7546, 34465), (7910, 32879), (8701, 29890), (9394, 27685), (11074, 23485), (12430, 20923), (13786, 18865), (14945, 17402)]