7137589420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{1999}}^1$

素因数の和:2495

約数の個数: 96

約数和(自身を含む): 16708608000

約数和(自身を除く): 9571018580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 443, 620, 806, 886, 1612, 1772, 1999, 2015, 2215, 3998, 4030, 4430, 5759, 7996, 8060, 8860, 9995, 11518, 13733, 19990, 23036, 25987, 27466, 28795, 39980, 51974, 54932, 57590, 61969, 68665, 103948, 115180, 123938, 129935, 137330, 178529, 247876, 259870, 274660, 309845, 357058, 519740, 619690, 714116, 805597, 885557, 892645, 1239380, 1611194, 1771114, 1785290, 3222388, 3542228, 3570580, 4027985, 4427785, 8055970, 8855570, 11512241, 16111940, 17711140, 23024482, 27452267, 46048964, 54904534, 57561205, 109809068, 115122410, 137261335, 230244820, 274522670, 356879471, 549045340, 713758942, 1427517884, 1784397355, 3568794710, 7137589420]

約数ペア:

[(1, 7137589420), (2, 3568794710), (4, 1784397355), (5, 1427517884), (10, 713758942), (13, 549045340), (20, 356879471), (26, 274522670), (31, 230244820), (52, 137261335), (62, 115122410), (65, 109809068), (124, 57561205), (130, 54904534), (155, 46048964), (260, 27452267), (310, 23024482), (403, 17711140), (443, 16111940), (620, 11512241), (806, 8855570), (886, 8055970), (1612, 4427785), (1772, 4027985), (1999, 3570580), (2015, 3542228), (2215, 3222388), (3998, 1785290), (4030, 1771114), (4430, 1611194), (5759, 1239380), (7996, 892645), (8060, 885557), (8860, 805597), (9995, 714116), (11518, 619690), (13733, 519740), (19990, 357058), (23036, 309845), (25987, 274660), (27466, 259870), (28795, 247876), (39980, 178529), (51974, 137330), (54932, 129935), (57590, 123938), (61969, 115180), (68665, 103948)]