221791360

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1654

約数の個数: 128

約数和(自身を含む): 625904640

約数和(自身を除く): 404113280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1597, 1736, 1984, 2170, 2240, 2480, 3194, 3472, 3968, 4340, 4480, 4960, 6388, 6944, 7985, 8680, 9920, 11179, 12776, 13888, 15970, 17360, 19840, 22358, 25552, 27776, 31940, 34720, 44716, 49507, 51104, 55895, 63880, 69440, 89432, 99014, 102208, 111790, 127760, 138880, 178864, 198028, 204416, 223580, 247535, 255520, 346549, 357728, 396056, 447160, 495070, 511040, 693098, 715456, 792112, 894320, 990140, 1022080, 1386196, 1430912, 1584224, 1732745, 1788640, 1980280, 2772392, 3168448, 3465490, 3577280, 3960560, 5544784, 6336896, 6930980, 7154560, 7921120, 11089568, 13861960, 15842240, 22179136, 27723920, 31684480, 44358272, 55447840, 110895680, 221791360]

約数ペア:

[(1, 221791360), (2, 110895680), (4, 55447840), (5, 44358272), (7, 31684480), (8, 27723920), (10, 22179136), (14, 15842240), (16, 13861960), (20, 11089568), (28, 7921120), (31, 7154560), (32, 6930980), (35, 6336896), (40, 5544784), (56, 3960560), (62, 3577280), (64, 3465490), (70, 3168448), (80, 2772392), (112, 1980280), (124, 1788640), (128, 1732745), (140, 1584224), (155, 1430912), (160, 1386196), (217, 1022080), (224, 990140), (248, 894320), (280, 792112), (310, 715456), (320, 693098), (434, 511040), (448, 495070), (496, 447160), (560, 396056), (620, 357728), (640, 346549), (868, 255520), (896, 247535), (992, 223580), (1085, 204416), (1120, 198028), (1240, 178864), (1597, 138880), (1736, 127760), (1984, 111790), (2170, 102208), (2240, 99014), (2480, 89432), (3194, 69440), (3472, 63880), (3968, 55895), (4340, 51104), (4480, 49507), (4960, 44716), (6388, 34720), (6944, 31940), (7985, 27776), (8680, 25552), (9920, 22358), (11179, 19840), (12776, 17360), (13888, 15970)]