215550440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1307}}^1$

素因数の和:1375

約数の個数: 128

約数和(自身を含む): 602726400

約数和(自身を除く): 387175960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 310, 380, 434, 532, 589, 620, 665, 760, 868, 1064, 1085, 1178, 1240, 1307, 1330, 1736, 2170, 2356, 2614, 2660, 2945, 4123, 4340, 4712, 5228, 5320, 5890, 6535, 8246, 8680, 9149, 10456, 11780, 13070, 16492, 18298, 20615, 23560, 24833, 26140, 32984, 36596, 40517, 41230, 45745, 49666, 52280, 73192, 81034, 82460, 91490, 99332, 124165, 162068, 164920, 173831, 182980, 198664, 202585, 248330, 283619, 324136, 347662, 365960, 405170, 496660, 567238, 695324, 769823, 810340, 869155, 993320, 1134476, 1390648, 1418095, 1539646, 1620680, 1738310, 2268952, 2836190, 3079292, 3476620, 3849115, 5388761, 5672380, 6158584, 6953240, 7698230, 10777522, 11344760, 15396460, 21555044, 26943805, 30792920, 43110088, 53887610, 107775220, 215550440]

約数ペア:

[(1, 215550440), (2, 107775220), (4, 53887610), (5, 43110088), (7, 30792920), (8, 26943805), (10, 21555044), (14, 15396460), (19, 11344760), (20, 10777522), (28, 7698230), (31, 6953240), (35, 6158584), (38, 5672380), (40, 5388761), (56, 3849115), (62, 3476620), (70, 3079292), (76, 2836190), (95, 2268952), (124, 1738310), (133, 1620680), (140, 1539646), (152, 1418095), (155, 1390648), (190, 1134476), (217, 993320), (248, 869155), (266, 810340), (280, 769823), (310, 695324), (380, 567238), (434, 496660), (532, 405170), (589, 365960), (620, 347662), (665, 324136), (760, 283619), (868, 248330), (1064, 202585), (1085, 198664), (1178, 182980), (1240, 173831), (1307, 164920), (1330, 162068), (1736, 124165), (2170, 99332), (2356, 91490), (2614, 82460), (2660, 81034), (2945, 73192), (4123, 52280), (4340, 49666), (4712, 45745), (5228, 41230), (5320, 40517), (5890, 36596), (6535, 32984), (8246, 26140), (8680, 24833), (9149, 23560), (10456, 20615), (11780, 18298), (13070, 16492)]