207723560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 535127040

約数和(自身を除く): 327403480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 97, 110, 124, 155, 157, 194, 220, 248, 310, 314, 341, 388, 440, 485, 620, 628, 682, 776, 785, 970, 1067, 1240, 1256, 1364, 1570, 1705, 1727, 1940, 2134, 2728, 3007, 3140, 3410, 3454, 3880, 4268, 4867, 5335, 6014, 6280, 6820, 6908, 8536, 8635, 9734, 10670, 12028, 13640, 13816, 15035, 15229, 17270, 19468, 21340, 24056, 24335, 30070, 30458, 33077, 34540, 38936, 42680, 48670, 53537, 60140, 60916, 66154, 69080, 76145, 97340, 107074, 120280, 121832, 132308, 152290, 165385, 167519, 194680, 214148, 264616, 267685, 304580, 330770, 335038, 428296, 472099, 535370, 609160, 661540, 670076, 837595, 944198, 1070740, 1323080, 1340152, 1675190, 1888396, 2141480, 2360495, 3350380, 3776792, 4720990, 5193089, 6700760, 9441980, 10386178, 18883960, 20772356, 25965445, 41544712, 51930890, 103861780, 207723560]

約数ペア:

[(1, 207723560), (2, 103861780), (4, 51930890), (5, 41544712), (8, 25965445), (10, 20772356), (11, 18883960), (20, 10386178), (22, 9441980), (31, 6700760), (40, 5193089), (44, 4720990), (55, 3776792), (62, 3350380), (88, 2360495), (97, 2141480), (110, 1888396), (124, 1675190), (155, 1340152), (157, 1323080), (194, 1070740), (220, 944198), (248, 837595), (310, 670076), (314, 661540), (341, 609160), (388, 535370), (440, 472099), (485, 428296), (620, 335038), (628, 330770), (682, 304580), (776, 267685), (785, 264616), (970, 214148), (1067, 194680), (1240, 167519), (1256, 165385), (1364, 152290), (1570, 132308), (1705, 121832), (1727, 120280), (1940, 107074), (2134, 97340), (2728, 76145), (3007, 69080), (3140, 66154), (3410, 60916), (3454, 60140), (3880, 53537), (4268, 48670), (4867, 42680), (5335, 38936), (6014, 34540), (6280, 33077), (6820, 30458), (6908, 30070), (8536, 24335), (8635, 24056), (9734, 21340), (10670, 19468), (12028, 17270), (13640, 15229), (13816, 15035)]