396890240

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:422

約数の個数: 128

約数和(自身を含む): 1010534400

約数和(自身を除く): 613644160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 127, 128, 152, 160, 190, 254, 257, 304, 320, 380, 508, 514, 608, 635, 640, 760, 1016, 1028, 1216, 1270, 1285, 1520, 2032, 2056, 2413, 2432, 2540, 2570, 3040, 4064, 4112, 4826, 4883, 5080, 5140, 6080, 8128, 8224, 9652, 9766, 10160, 10280, 12065, 12160, 16256, 16448, 19304, 19532, 20320, 20560, 24130, 24415, 32639, 32896, 38608, 39064, 40640, 41120, 48260, 48830, 65278, 77216, 78128, 81280, 82240, 96520, 97660, 130556, 154432, 156256, 163195, 164480, 193040, 195320, 261112, 308864, 312512, 326390, 386080, 390640, 522224, 620141, 625024, 652780, 772160, 781280, 1044448, 1240282, 1305560, 1544320, 1562560, 2088896, 2480564, 2611120, 3100705, 3125120, 4177792, 4961128, 5222240, 6201410, 9922256, 10444480, 12402820, 19844512, 20888960, 24805640, 39689024, 49611280, 79378048, 99222560, 198445120, 396890240]

約数ペア:

[(1, 396890240), (2, 198445120), (4, 99222560), (5, 79378048), (8, 49611280), (10, 39689024), (16, 24805640), (19, 20888960), (20, 19844512), (32, 12402820), (38, 10444480), (40, 9922256), (64, 6201410), (76, 5222240), (80, 4961128), (95, 4177792), (127, 3125120), (128, 3100705), (152, 2611120), (160, 2480564), (190, 2088896), (254, 1562560), (257, 1544320), (304, 1305560), (320, 1240282), (380, 1044448), (508, 781280), (514, 772160), (608, 652780), (635, 625024), (640, 620141), (760, 522224), (1016, 390640), (1028, 386080), (1216, 326390), (1270, 312512), (1285, 308864), (1520, 261112), (2032, 195320), (2056, 193040), (2413, 164480), (2432, 163195), (2540, 156256), (2570, 154432), (3040, 130556), (4064, 97660), (4112, 96520), (4826, 82240), (4883, 81280), (5080, 78128), (5140, 77216), (6080, 65278), (8128, 48830), (8224, 48260), (9652, 41120), (9766, 40640), (10160, 39064), (10280, 38608), (12065, 32896), (12160, 32639), (16256, 24415), (16448, 24130), (19304, 20560), (19532, 20320)]