49805840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:221

約数の個数: 160

約数和(自身を含む): 144752640

約数和(自身を除く): 94946800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 80, 95, 112, 124, 133, 140, 151, 152, 155, 190, 217, 248, 266, 280, 302, 304, 310, 380, 434, 496, 532, 560, 589, 604, 620, 665, 755, 760, 868, 1057, 1064, 1085, 1178, 1208, 1240, 1330, 1510, 1520, 1736, 2114, 2128, 2170, 2356, 2416, 2480, 2660, 2869, 2945, 3020, 3472, 4123, 4228, 4340, 4681, 4712, 5285, 5320, 5738, 5890, 6040, 8246, 8456, 8680, 9362, 9424, 10570, 10640, 11476, 11780, 12080, 14345, 16492, 16912, 17360, 18724, 20083, 20615, 21140, 22952, 23405, 23560, 28690, 32767, 32984, 37448, 40166, 41230, 42280, 45904, 46810, 47120, 57380, 65534, 65968, 74896, 80332, 82460, 84560, 88939, 93620, 100415, 114760, 131068, 160664, 163835, 164920, 177878, 187240, 200830, 229520, 262136, 321328, 327670, 329840, 355756, 374480, 401660, 444695, 524272, 622573, 655340, 711512, 803320, 889390, 1245146, 1310680, 1423024, 1606640, 1778780, 2490292, 2621360, 3112865, 3557560, 4980584, 6225730, 7115120, 9961168, 12451460, 24902920, 49805840]

約数ペア:

[(1, 49805840), (2, 24902920), (4, 12451460), (5, 9961168), (7, 7115120), (8, 6225730), (10, 4980584), (14, 3557560), (16, 3112865), (19, 2621360), (20, 2490292), (28, 1778780), (31, 1606640), (35, 1423024), (38, 1310680), (40, 1245146), (56, 889390), (62, 803320), (70, 711512), (76, 655340), (80, 622573), (95, 524272), (112, 444695), (124, 401660), (133, 374480), (140, 355756), (151, 329840), (152, 327670), (155, 321328), (190, 262136), (217, 229520), (248, 200830), (266, 187240), (280, 177878), (302, 164920), (304, 163835), (310, 160664), (380, 131068), (434, 114760), (496, 100415), (532, 93620), (560, 88939), (589, 84560), (604, 82460), (620, 80332), (665, 74896), (755, 65968), (760, 65534), (868, 57380), (1057, 47120), (1064, 46810), (1085, 45904), (1178, 42280), (1208, 41230), (1240, 40166), (1330, 37448), (1510, 32984), (1520, 32767), (1736, 28690), (2114, 23560), (2128, 23405), (2170, 22952), (2356, 21140), (2416, 20615), (2480, 20083), (2660, 18724), (2869, 17360), (2945, 16912), (3020, 16492), (3472, 14345), (4123, 12080), (4228, 11780), (4340, 11476), (4681, 10640), (4712, 10570), (5285, 9424), (5320, 9362), (5738, 8680), (5890, 8456), (6040, 8246)]