207421480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:471

約数の個数: 128

約数和(自身を含む): 567705600

約数和(自身を除く): 360284120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 127, 133, 140, 152, 190, 254, 266, 280, 307, 380, 508, 532, 614, 635, 665, 760, 889, 1016, 1064, 1228, 1270, 1330, 1535, 1778, 2149, 2413, 2456, 2540, 2660, 3070, 3556, 4298, 4445, 4826, 5080, 5320, 5833, 6140, 7112, 8596, 8890, 9652, 10745, 11666, 12065, 12280, 16891, 17192, 17780, 19304, 21490, 23332, 24130, 29165, 33782, 35560, 38989, 40831, 42980, 46664, 48260, 58330, 67564, 77978, 81662, 84455, 85960, 96520, 116660, 135128, 155956, 163324, 168910, 194945, 204155, 233320, 272923, 311912, 326648, 337820, 389890, 408310, 545846, 675640, 740791, 779780, 816620, 1091692, 1364615, 1481582, 1559560, 1633240, 2183384, 2729230, 2963164, 3703955, 5185537, 5458460, 5926328, 7407910, 10371074, 10916920, 14815820, 20742148, 25927685, 29631640, 41484296, 51855370, 103710740, 207421480]

約数ペア:

[(1, 207421480), (2, 103710740), (4, 51855370), (5, 41484296), (7, 29631640), (8, 25927685), (10, 20742148), (14, 14815820), (19, 10916920), (20, 10371074), (28, 7407910), (35, 5926328), (38, 5458460), (40, 5185537), (56, 3703955), (70, 2963164), (76, 2729230), (95, 2183384), (127, 1633240), (133, 1559560), (140, 1481582), (152, 1364615), (190, 1091692), (254, 816620), (266, 779780), (280, 740791), (307, 675640), (380, 545846), (508, 408310), (532, 389890), (614, 337820), (635, 326648), (665, 311912), (760, 272923), (889, 233320), (1016, 204155), (1064, 194945), (1228, 168910), (1270, 163324), (1330, 155956), (1535, 135128), (1778, 116660), (2149, 96520), (2413, 85960), (2456, 84455), (2540, 81662), (2660, 77978), (3070, 67564), (3556, 58330), (4298, 48260), (4445, 46664), (4826, 42980), (5080, 40831), (5320, 38989), (5833, 35560), (6140, 33782), (7112, 29165), (8596, 24130), (8890, 23332), (9652, 21490), (10745, 19304), (11666, 17780), (12065, 17192), (12280, 16891)]