235651780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:438

約数の個数: 144

約数和(自身を含む): 633452400

約数和(自身を除く): 397800620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 53, 65, 70, 91, 98, 106, 130, 140, 182, 196, 212, 245, 260, 265, 349, 364, 371, 455, 490, 530, 637, 689, 698, 742, 910, 980, 1060, 1274, 1378, 1396, 1484, 1745, 1820, 1855, 2443, 2548, 2597, 2756, 3185, 3445, 3490, 3710, 4537, 4823, 4886, 5194, 6370, 6890, 6980, 7420, 9074, 9646, 9772, 10388, 12215, 12740, 12985, 13780, 17101, 18148, 18497, 19292, 22685, 24115, 24430, 25970, 31759, 33761, 34202, 36994, 45370, 48230, 48860, 51940, 63518, 67522, 68404, 73988, 85505, 90740, 92485, 96460, 127036, 129479, 135044, 158795, 168805, 171010, 184970, 222313, 240461, 258958, 317590, 337610, 342020, 369940, 444626, 480922, 517916, 635180, 647395, 675220, 889252, 906353, 961844, 1111565, 1202305, 1294790, 1683227, 1812706, 2223130, 2404610, 2589580, 3366454, 3625412, 4446260, 4531765, 4809220, 6732908, 8416135, 9063530, 11782589, 16832270, 18127060, 23565178, 33664540, 47130356, 58912945, 117825890, 235651780]

約数ペア:

[(1, 235651780), (2, 117825890), (4, 58912945), (5, 47130356), (7, 33664540), (10, 23565178), (13, 18127060), (14, 16832270), (20, 11782589), (26, 9063530), (28, 8416135), (35, 6732908), (49, 4809220), (52, 4531765), (53, 4446260), (65, 3625412), (70, 3366454), (91, 2589580), (98, 2404610), (106, 2223130), (130, 1812706), (140, 1683227), (182, 1294790), (196, 1202305), (212, 1111565), (245, 961844), (260, 906353), (265, 889252), (349, 675220), (364, 647395), (371, 635180), (455, 517916), (490, 480922), (530, 444626), (637, 369940), (689, 342020), (698, 337610), (742, 317590), (910, 258958), (980, 240461), (1060, 222313), (1274, 184970), (1378, 171010), (1396, 168805), (1484, 158795), (1745, 135044), (1820, 129479), (1855, 127036), (2443, 96460), (2548, 92485), (2597, 90740), (2756, 85505), (3185, 73988), (3445, 68404), (3490, 67522), (3710, 63518), (4537, 51940), (4823, 48860), (4886, 48230), (5194, 45370), (6370, 36994), (6890, 34202), (6980, 33761), (7420, 31759), (9074, 25970), (9646, 24430), (9772, 24115), (10388, 22685), (12215, 19292), (12740, 18497), (12985, 18148), (13780, 17101)]